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Finding the Fourth Proportional to 14,988.65, 22,476.42 and 7,966.97

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Solution

The fourth proportional to 14,988.65, 22,476.42 and 7,966.97 is: 11,946.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,988.65 : 22,476.42 = 7,966.97 : x
  2. Step 2: Convert to fraction form
    14,988.65/22,476.42 = 7,966.97/x
  3. Step 3: Cross multiply
    14,988.65x = 22,476.42 × 7,966.97
  4. Step 4: Simplify right side
    14,988.65x = 179,068,851.47
  5. Step 5: Solve for x
    x = 179,068,851.47/14,988.65
  6. Step 6: Final answer
    x = 11,946.97

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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.