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Finding the Fourth Proportional to 56,254.95, 77,595.25 and 36,079.87

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Solution

The fourth proportional to 56,254.95, 77,595.25 and 36,079.87 is: 49,766.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,254.95 : 77,595.25 = 36,079.87 : x
  2. Step 2: Convert to fraction form
    56,254.95/77,595.25 = 36,079.87/x
  3. Step 3: Cross multiply
    56,254.95x = 77,595.25 × 36,079.87
  4. Step 4: Simplify right side
    56,254.95x = 2,799,626,868.70
  5. Step 5: Solve for x
    x = 2,799,626,868.70/56,254.95
  6. Step 6: Final answer
    x = 49,766.77

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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.