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Finding the Fourth Proportional to 24,891.76, 37,331.74 and 7,121.88

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Solution

The fourth proportional to 24,891.76, 37,331.74 and 7,121.88 is: 10,681.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,891.76 : 37,331.74 = 7,121.88 : x
  2. Step 2: Convert to fraction form
    24,891.76/37,331.74 = 7,121.88/x
  3. Step 3: Cross multiply
    24,891.76x = 37,331.74 × 7,121.88
  4. Step 4: Simplify right side
    24,891.76x = 265,872,172.47
  5. Step 5: Solve for x
    x = 265,872,172.47/24,891.76
  6. Step 6: Final answer
    x = 10,681.13

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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.