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Finding the Fourth Proportional to 15,425.98, 23,134.18 and 5,563.98

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Solution

The fourth proportional to 15,425.98, 23,134.18 and 5,563.98 is: 8,344.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,425.98 : 23,134.18 = 5,563.98 : x
  2. Step 2: Convert to fraction form
    15,425.98/23,134.18 = 5,563.98/x
  3. Step 3: Cross multiply
    15,425.98x = 23,134.18 × 5,563.98
  4. Step 4: Simplify right side
    15,425.98x = 128,717,999.17
  5. Step 5: Solve for x
    x = 128,717,999.17/15,425.98
  6. Step 6: Final answer
    x = 8,344.23

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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.