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Finding the Fourth Proportional to 9,039.63, 13,559.68 and 2,883.63

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Solution

The fourth proportional to 9,039.63, 13,559.68 and 2,883.63 is: 4,325.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,039.63 : 13,559.68 = 2,883.63 : x
  2. Step 2: Convert to fraction form
    9,039.63/13,559.68 = 2,883.63/x
  3. Step 3: Cross multiply
    9,039.63x = 13,559.68 × 2,883.63
  4. Step 4: Simplify right side
    9,039.63x = 39,101,025.03
  5. Step 5: Solve for x
    x = 39,101,025.03/9,039.63
  6. Step 6: Final answer
    x = 4,325.51

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Half scale
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Double scale
Find fourth proportional to 9,040.63, 13,561.18 and 2,884.63
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.