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Finding the Fourth Proportional to 62,740.81, 86,569.53 and 35,892.34

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Solution

The fourth proportional to 62,740.81, 86,569.53 and 35,892.34 is: 49,524.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,740.81 : 86,569.53 = 35,892.34 : x
  2. Step 2: Convert to fraction form
    62,740.81/86,569.53 = 35,892.34/x
  3. Step 3: Cross multiply
    62,740.81x = 86,569.53 × 35,892.34
  4. Step 4: Simplify right side
    62,740.81x = 3,107,183,004.40
  5. Step 5: Solve for x
    x = 3,107,183,004.40/62,740.81
  6. Step 6: Final answer
    x = 49,524.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.