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Finding the Fourth Proportional to 14,666.43, 21,987.29 and 9,973.29

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Solution

The fourth proportional to 14,666.43, 21,987.29 and 9,973.29 is: 14,951.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,666.43 : 21,987.29 = 9,973.29 : x
  2. Step 2: Convert to fraction form
    14,666.43/21,987.29 = 9,973.29/x
  3. Step 3: Cross multiply
    14,666.43x = 21,987.29 × 9,973.29
  4. Step 4: Simplify right side
    14,666.43x = 219,285,569.62
  5. Step 5: Solve for x
    x = 219,285,569.62/14,666.43
  6. Step 6: Final answer
    x = 14,951.53

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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.