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Finding the Fourth Proportional to 61,337.20, 92,005.80 and 60,948.40

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Solution

The fourth proportional to 61,337.20, 92,005.80 and 60,948.40 is: 91,422.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,337.20 : 92,005.80 = 60,948.40 : x
  2. Step 2: Convert to fraction form
    61,337.20/92,005.80 = 60,948.40/x
  3. Step 3: Cross multiply
    61,337.20x = 92,005.80 × 60,948.40
  4. Step 4: Simplify right side
    61,337.20x = 5,607,606,300.72
  5. Step 5: Solve for x
    x = 5,607,606,300.72/61,337.20
  6. Step 6: Final answer
    x = 91,422.60

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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.