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Finding the Fourth Proportional to 59,513.64, 89,208.12 and 20,057.04

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Solution

The fourth proportional to 59,513.64, 89,208.12 and 20,057.04 is: 30,064.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,513.64 : 89,208.12 = 20,057.04 : x
  2. Step 2: Convert to fraction form
    59,513.64/89,208.12 = 20,057.04/x
  3. Step 3: Cross multiply
    59,513.64x = 89,208.12 × 20,057.04
  4. Step 4: Simplify right side
    59,513.64x = 1,789,250,831.16
  5. Step 5: Solve for x
    x = 1,789,250,831.16/59,513.64
  6. Step 6: Final answer
    x = 30,064.55

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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.