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Finding the Fourth Proportional to 48,988.60, 73,493.70 and 15,710.20

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Solution

The fourth proportional to 48,988.60, 73,493.70 and 15,710.20 is: 23,568.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,988.60 : 73,493.70 = 15,710.20 : x
  2. Step 2: Convert to fraction form
    48,988.60/73,493.70 = 15,710.20/x
  3. Step 3: Cross multiply
    48,988.60x = 73,493.70 × 15,710.20
  4. Step 4: Simplify right side
    48,988.60x = 1,154,600,725.74
  5. Step 5: Solve for x
    x = 1,154,600,725.74/48,988.60
  6. Step 6: Final answer
    x = 23,568.76

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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.