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Finding the Fourth Proportional to 62,287.92, 85,956.95 and 35,430.50

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Solution

The fourth proportional to 62,287.92, 85,956.95 and 35,430.50 is: 48,893.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,287.92 : 85,956.95 = 35,430.50 : x
  2. Step 2: Convert to fraction form
    62,287.92/85,956.95 = 35,430.50/x
  3. Step 3: Cross multiply
    62,287.92x = 85,956.95 × 35,430.50
  4. Step 4: Simplify right side
    62,287.92x = 3,045,497,110.04
  5. Step 5: Solve for x
    x = 3,045,497,110.04/62,287.92
  6. Step 6: Final answer
    x = 48,893.86

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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.