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Finding the Fourth Proportional to 15,986.70, 24,008.85 and 15,468.30

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Solution

The fourth proportional to 15,986.70, 24,008.85 and 15,468.30 is: 23,230.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,986.70 : 24,008.85 = 15,468.30 : x
  2. Step 2: Convert to fraction form
    15,986.70/24,008.85 = 15,468.30/x
  3. Step 3: Cross multiply
    15,986.70x = 24,008.85 × 15,468.30
  4. Step 4: Simplify right side
    15,986.70x = 371,376,094.46
  5. Step 5: Solve for x
    x = 371,376,094.46/15,986.70
  6. Step 6: Final answer
    x = 23,230.32

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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.