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Finding the Fourth Proportional to 15,987.70, 24,010.35 and 15,469.30

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Solution

The fourth proportional to 15,987.70, 24,010.35 and 15,469.30 is: 23,231.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,987.70 : 24,010.35 = 15,469.30 : x
  2. Step 2: Convert to fraction form
    15,987.70/24,010.35 = 15,469.30/x
  3. Step 3: Cross multiply
    15,987.70x = 24,010.35 × 15,469.30
  4. Step 4: Simplify right side
    15,987.70x = 371,423,307.26
  5. Step 5: Solve for x
    x = 371,423,307.26/15,987.70
  6. Step 6: Final answer
    x = 23,231.82

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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.