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Finding the Fourth Proportional to 14,023.69, 21,044.65 and 7,454.49

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Solution

The fourth proportional to 14,023.69, 21,044.65 and 7,454.49 is: 11,186.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,023.69 : 21,044.65 = 7,454.49 : x
  2. Step 2: Convert to fraction form
    14,023.69/21,044.65 = 7,454.49/x
  3. Step 3: Cross multiply
    14,023.69x = 21,044.65 × 7,454.49
  4. Step 4: Simplify right side
    14,023.69x = 156,877,098.11
  5. Step 5: Solve for x
    x = 156,877,098.11/14,023.69
  6. Step 6: Final answer
    x = 11,186.58

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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.