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Finding the Fourth Proportional to 56,387.92, 77,810.76 and 32,498.56

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Solution

The fourth proportional to 56,387.92, 77,810.76 and 32,498.56 is: 44,845.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,387.92 : 77,810.76 = 32,498.56 : x
  2. Step 2: Convert to fraction form
    56,387.92/77,810.76 = 32,498.56/x
  3. Step 3: Cross multiply
    56,387.92x = 77,810.76 × 32,498.56
  4. Step 4: Simplify right side
    56,387.92x = 2,528,737,652.51
  5. Step 5: Solve for x
    x = 2,528,737,652.51/56,387.92
  6. Step 6: Final answer
    x = 44,845.38

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Similar ratio
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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.