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Finding the Fourth Proportional to 48,117.60, 72,262.80 and 34,984.80

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Solution

The fourth proportional to 48,117.60, 72,262.80 and 34,984.80 is: 52,540.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,117.60 : 72,262.80 = 34,984.80 : x
  2. Step 2: Convert to fraction form
    48,117.60/72,262.80 = 34,984.80/x
  3. Step 3: Cross multiply
    48,117.60x = 72,262.80 × 34,984.80
  4. Step 4: Simplify right side
    48,117.60x = 2,528,099,605.44
  5. Step 5: Solve for x
    x = 2,528,099,605.44/48,117.60
  6. Step 6: Final answer
    x = 52,540.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.