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Finding the Fourth Proportional to 56,397.71, 77,828.83 and 33,737.66

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Solution

The fourth proportional to 56,397.71, 77,828.83 and 33,737.66 is: 46,557.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,397.71 : 77,828.83 = 33,737.66 : x
  2. Step 2: Convert to fraction form
    56,397.71/77,828.83 = 33,737.66/x
  3. Step 3: Cross multiply
    56,397.71x = 77,828.83 × 33,737.66
  4. Step 4: Simplify right side
    56,397.71x = 2,625,762,131.25
  5. Step 5: Solve for x
    x = 2,625,762,131.25/56,397.71
  6. Step 6: Final answer
    x = 46,557.95

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1.5x scale

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.