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Finding the Fourth Proportional to 56,397.25, 77,828.21 and 33,737.20

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Solution

The fourth proportional to 56,397.25, 77,828.21 and 33,737.20 is: 46,557.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,397.25 : 77,828.21 = 33,737.20 : x
  2. Step 2: Convert to fraction form
    56,397.25/77,828.21 = 33,737.20/x
  3. Step 3: Cross multiply
    56,397.25x = 77,828.21 × 33,737.20
  4. Step 4: Simplify right side
    56,397.25x = 2,625,705,523.16
  5. Step 5: Solve for x
    x = 2,625,705,523.16/56,397.25
  6. Step 6: Final answer
    x = 46,557.33

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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.