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Finding the Fourth Proportional to 43,207.17, 64,801.02 and 15,505.17

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Solution

The fourth proportional to 43,207.17, 64,801.02 and 15,505.17 is: 23,254.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,207.17 : 64,801.02 = 15,505.17 : x
  2. Step 2: Convert to fraction form
    43,207.17/64,801.02 = 15,505.17/x
  3. Step 3: Cross multiply
    43,207.17x = 64,801.02 × 15,505.17
  4. Step 4: Simplify right side
    43,207.17x = 1,004,750,831.27
  5. Step 5: Solve for x
    x = 1,004,750,831.27/43,207.17
  6. Step 6: Final answer
    x = 23,254.26

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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.