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Finding the Fourth Proportional to 15,101.80, 22,652.70 and 5,241.10

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Solution

The fourth proportional to 15,101.80, 22,652.70 and 5,241.10 is: 7,861.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,101.80 : 22,652.70 = 5,241.10 : x
  2. Step 2: Convert to fraction form
    15,101.80/22,652.70 = 5,241.10/x
  3. Step 3: Cross multiply
    15,101.80x = 22,652.70 × 5,241.10
  4. Step 4: Simplify right side
    15,101.80x = 118,725,065.97
  5. Step 5: Solve for x
    x = 118,725,065.97/15,101.80
  6. Step 6: Final answer
    x = 7,861.65

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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.