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Finding the Fourth Proportional to 48,648.60, 67,132.80 and 32,730.48

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Solution

The fourth proportional to 48,648.60, 67,132.80 and 32,730.48 is: 45,166.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,648.60 : 67,132.80 = 32,730.48 : x
  2. Step 2: Convert to fraction form
    48,648.60/67,132.80 = 32,730.48/x
  3. Step 3: Cross multiply
    48,648.60x = 67,132.80 × 32,730.48
  4. Step 4: Simplify right side
    48,648.60x = 2,197,288,767.74
  5. Step 5: Solve for x
    x = 2,197,288,767.74/48,648.60
  6. Step 6: Final answer
    x = 45,166.54

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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.