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Finding the Fourth Proportional to 14,984.71, 22,490.90 and 14,080.52

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Solution

The fourth proportional to 14,984.71, 22,490.90 and 14,080.52 is: 21,133.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,984.71 : 22,490.90 = 14,080.52 : x
  2. Step 2: Convert to fraction form
    14,984.71/22,490.90 = 14,080.52/x
  3. Step 3: Cross multiply
    14,984.71x = 22,490.90 × 14,080.52
  4. Step 4: Simplify right side
    14,984.71x = 316,683,633.67
  5. Step 5: Solve for x
    x = 316,683,633.67/14,984.71
  6. Step 6: Final answer
    x = 21,133.79

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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.