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Finding the Fourth Proportional to 56,158.32, 77,489.64 and 32,280.52

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Solution

The fourth proportional to 56,158.32, 77,489.64 and 32,280.52 is: 44,542.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,158.32 : 77,489.64 = 32,280.52 : x
  2. Step 2: Convert to fraction form
    56,158.32/77,489.64 = 32,280.52/x
  3. Step 3: Cross multiply
    56,158.32x = 77,489.64 × 32,280.52
  4. Step 4: Simplify right side
    56,158.32x = 2,501,405,873.81
  5. Step 5: Solve for x
    x = 2,501,405,873.81/56,158.32
  6. Step 6: Final answer
    x = 44,542.04

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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.