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Finding the Fourth Proportional to 14,610.80, 21,905.40 and 8,044.40

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Solution

The fourth proportional to 14,610.80, 21,905.40 and 8,044.40 is: 12,060.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,610.80 : 21,905.40 = 8,044.40 : x
  2. Step 2: Convert to fraction form
    14,610.80/21,905.40 = 8,044.40/x
  3. Step 3: Cross multiply
    14,610.80x = 21,905.40 × 8,044.40
  4. Step 4: Simplify right side
    14,610.80x = 176,215,799.76
  5. Step 5: Solve for x
    x = 176,215,799.76/14,610.80
  6. Step 6: Final answer
    x = 12,060.65

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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.