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Finding the Fourth Proportional to 14,988.68, 22,482.78 and 5,754.68

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Solution

The fourth proportional to 14,988.68, 22,482.78 and 5,754.68 is: 8,631.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,988.68 : 22,482.78 = 5,754.68 : x
  2. Step 2: Convert to fraction form
    14,988.68/22,482.78 = 5,754.68/x
  3. Step 3: Cross multiply
    14,988.68x = 22,482.78 × 5,754.68
  4. Step 4: Simplify right side
    14,988.68x = 129,381,204.41
  5. Step 5: Solve for x
    x = 129,381,204.41/14,988.68
  6. Step 6: Final answer
    x = 8,631.93

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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.