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Finding the Fourth Proportional to 15,793.40, 23,690.10 and 15,534.20

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Solution

The fourth proportional to 15,793.40, 23,690.10 and 15,534.20 is: 23,301.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,793.40 : 23,690.10 = 15,534.20 : x
  2. Step 2: Convert to fraction form
    15,793.40/23,690.10 = 15,534.20/x
  3. Step 3: Cross multiply
    15,793.40x = 23,690.10 × 15,534.20
  4. Step 4: Simplify right side
    15,793.40x = 368,006,751.42
  5. Step 5: Solve for x
    x = 368,006,751.42/15,793.40
  6. Step 6: Final answer
    x = 23,301.30

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Double scale
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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.