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Finding the Fourth Proportional to 48,642.60, 67,124.52 and 32,724.48

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Solution

The fourth proportional to 48,642.60, 67,124.52 and 32,724.48 is: 45,158.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,642.60 : 67,124.52 = 32,724.48 : x
  2. Step 2: Convert to fraction form
    48,642.60/67,124.52 = 32,724.48/x
  3. Step 3: Cross multiply
    48,642.60x = 67,124.52 × 32,724.48
  4. Step 4: Simplify right side
    48,642.60x = 2,196,615,012.25
  5. Step 5: Solve for x
    x = 2,196,615,012.25/48,642.60
  6. Step 6: Final answer
    x = 45,158.26

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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.