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Finding the Fourth Proportional to 9,003.66, 13,505.50 and 2,429.84

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Solution

The fourth proportional to 9,003.66, 13,505.50 and 2,429.84 is: 3,644.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,003.66 : 13,505.50 = 2,429.84 : x
  2. Step 2: Convert to fraction form
    9,003.66/13,505.50 = 2,429.84/x
  3. Step 3: Cross multiply
    9,003.66x = 13,505.50 × 2,429.84
  4. Step 4: Simplify right side
    9,003.66x = 32,816,158.21
  5. Step 5: Solve for x
    x = 32,816,158.21/9,003.66
  6. Step 6: Final answer
    x = 3,644.76

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Half scale
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Double scale
Find fourth proportional to 9,004.66, 13,507 and 2,430.84
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.