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Finding the Fourth Proportional to 61,545.99, 92,282.06 and 28,224.32

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Solution

The fourth proportional to 61,545.99, 92,282.06 and 28,224.32 is: 42,319.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,545.99 : 92,282.06 = 28,224.32 : x
  2. Step 2: Convert to fraction form
    61,545.99/92,282.06 = 28,224.32/x
  3. Step 3: Cross multiply
    61,545.99x = 92,282.06 × 28,224.32
  4. Step 4: Simplify right side
    61,545.99x = 2,604,597,789.17
  5. Step 5: Solve for x
    x = 2,604,597,789.17/61,545.99
  6. Step 6: Final answer
    x = 42,319.54

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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.