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Finding the Fourth Proportional to 56,356.48, 77,760.80 and 32,156.92

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Solution

The fourth proportional to 56,356.48, 77,760.80 and 32,156.92 is: 44,370.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,356.48 : 77,760.80 = 32,156.92 : x
  2. Step 2: Convert to fraction form
    56,356.48/77,760.80 = 32,156.92/x
  3. Step 3: Cross multiply
    56,356.48x = 77,760.80 × 32,156.92
  4. Step 4: Simplify right side
    56,356.48x = 2,500,547,824.74
  5. Step 5: Solve for x
    x = 2,500,547,824.74/56,356.48
  6. Step 6: Final answer
    x = 44,370.19

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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.