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Finding the Fourth Proportional to 15,404.80, 23,107.20 and 14,602.90

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Solution

The fourth proportional to 15,404.80, 23,107.20 and 14,602.90 is: 21,904.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,404.80 : 23,107.20 = 14,602.90 : x
  2. Step 2: Convert to fraction form
    15,404.80/23,107.20 = 14,602.90/x
  3. Step 3: Cross multiply
    15,404.80x = 23,107.20 × 14,602.90
  4. Step 4: Simplify right side
    15,404.80x = 337,432,130.88
  5. Step 5: Solve for x
    x = 337,432,130.88/15,404.80
  6. Step 6: Final answer
    x = 21,904.35

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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.