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Finding the Fourth Proportional to 14,691.90, 22,005.45 and 8,838.30

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Solution

The fourth proportional to 14,691.90, 22,005.45 and 8,838.30 is: 13,237.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,691.90 : 22,005.45 = 8,838.30 : x
  2. Step 2: Convert to fraction form
    14,691.90/22,005.45 = 8,838.30/x
  3. Step 3: Cross multiply
    14,691.90x = 22,005.45 × 8,838.30
  4. Step 4: Simplify right side
    14,691.90x = 194,490,768.74
  5. Step 5: Solve for x
    x = 194,490,768.74/14,691.90
  6. Step 6: Final answer
    x = 13,237.96

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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.