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Finding the Fourth Proportional to 15,598.78, 23,373.56 and 5,724.47

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Solution

The fourth proportional to 15,598.78, 23,373.56 and 5,724.47 is: 8,577.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,598.78 : 23,373.56 = 5,724.47 : x
  2. Step 2: Convert to fraction form
    15,598.78/23,373.56 = 5,724.47/x
  3. Step 3: Cross multiply
    15,598.78x = 23,373.56 × 5,724.47
  4. Step 4: Simplify right side
    15,598.78x = 133,801,315.76
  5. Step 5: Solve for x
    x = 133,801,315.76/15,598.78
  6. Step 6: Final answer
    x = 8,577.68

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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.