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Finding the Fourth Proportional to 9,009.02, 13,480.65 and 5,313.02

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Solution

The fourth proportional to 9,009.02, 13,480.65 and 5,313.02 is: 7,950.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,009.02 : 13,480.65 = 5,313.02 : x
  2. Step 2: Convert to fraction form
    9,009.02/13,480.65 = 5,313.02/x
  3. Step 3: Cross multiply
    9,009.02x = 13,480.65 × 5,313.02
  4. Step 4: Simplify right side
    9,009.02x = 71,622,963.06
  5. Step 5: Solve for x
    x = 71,622,963.06/9,009.02
  6. Step 6: Final answer
    x = 7,950.14

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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.