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Finding the Fourth Proportional to 15,658.68, 23,476.87 and 7,334.15

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Solution

The fourth proportional to 15,658.68, 23,476.87 and 7,334.15 is: 10,995.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,658.68 : 23,476.87 = 7,334.15 : x
  2. Step 2: Convert to fraction form
    15,658.68/23,476.87 = 7,334.15/x
  3. Step 3: Cross multiply
    15,658.68x = 23,476.87 × 7,334.15
  4. Step 4: Simplify right side
    15,658.68x = 172,182,777.89
  5. Step 5: Solve for x
    x = 172,182,777.89/15,658.68
  6. Step 6: Final answer
    x = 10,995.99

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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.