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Finding the Fourth Proportional to 48,176.60, 72,221.70 and 42,927.80

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Solution

The fourth proportional to 48,176.60, 72,221.70 and 42,927.80 is: 64,353.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,176.60 : 72,221.70 = 42,927.80 : x
  2. Step 2: Convert to fraction form
    48,176.60/72,221.70 = 42,927.80/x
  3. Step 3: Cross multiply
    48,176.60x = 72,221.70 × 42,927.80
  4. Step 4: Simplify right side
    48,176.60x = 3,100,318,693.26
  5. Step 5: Solve for x
    x = 3,100,318,693.26/48,176.60
  6. Step 6: Final answer
    x = 64,353.21

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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.