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Finding the Fourth Proportional to 44,005.52, 65,981.91 and 14,006.80

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Solution

The fourth proportional to 44,005.52, 65,981.91 and 14,006.80 is: 21,001.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,005.52 : 65,981.91 = 14,006.80 : x
  2. Step 2: Convert to fraction form
    44,005.52/65,981.91 = 14,006.80/x
  3. Step 3: Cross multiply
    44,005.52x = 65,981.91 × 14,006.80
  4. Step 4: Simplify right side
    44,005.52x = 924,195,499.47
  5. Step 5: Solve for x
    x = 924,195,499.47/44,005.52
  6. Step 6: Final answer
    x = 21,001.81

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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.