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Finding the Fourth Proportional to 23,387.40, 35,081.10 and 15,514.20

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Solution

The fourth proportional to 23,387.40, 35,081.10 and 15,514.20 is: 23,271.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,387.40 : 35,081.10 = 15,514.20 : x
  2. Step 2: Convert to fraction form
    23,387.40/35,081.10 = 15,514.20/x
  3. Step 3: Cross multiply
    23,387.40x = 35,081.10 × 15,514.20
  4. Step 4: Simplify right side
    23,387.40x = 544,255,201.62
  5. Step 5: Solve for x
    x = 544,255,201.62/23,387.40
  6. Step 6: Final answer
    x = 23,271.30

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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.