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Finding the Fourth Proportional to 61,357.70, 92,037.40 and 40,431.70

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Solution

The fourth proportional to 61,357.70, 92,037.40 and 40,431.70 is: 60,648.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,357.70 : 92,037.40 = 40,431.70 : x
  2. Step 2: Convert to fraction form
    61,357.70/92,037.40 = 40,431.70/x
  3. Step 3: Cross multiply
    61,357.70x = 92,037.40 × 40,431.70
  4. Step 4: Simplify right side
    61,357.70x = 3,721,228,545.58
  5. Step 5: Solve for x
    x = 3,721,228,545.58/61,357.70
  6. Step 6: Final answer
    x = 60,648.11

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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.