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Finding the Fourth Proportional to 15,546.60, 23,319.90 and 15,316.20

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Solution

The fourth proportional to 15,546.60, 23,319.90 and 15,316.20 is: 22,974.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,546.60 : 23,319.90 = 15,316.20 : x
  2. Step 2: Convert to fraction form
    15,546.60/23,319.90 = 15,316.20/x
  3. Step 3: Cross multiply
    15,546.60x = 23,319.90 × 15,316.20
  4. Step 4: Simplify right side
    15,546.60x = 357,172,252.38
  5. Step 5: Solve for x
    x = 357,172,252.38/15,546.60
  6. Step 6: Final answer
    x = 22,974.30

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Similar ratio
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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.