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Finding the Fourth Proportional to 14,842.17, 22,220.01 and 7,805.49

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Solution

The fourth proportional to 14,842.17, 22,220.01 and 7,805.49 is: 11,685.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,842.17 : 22,220.01 = 7,805.49 : x
  2. Step 2: Convert to fraction form
    14,842.17/22,220.01 = 7,805.49/x
  3. Step 3: Cross multiply
    14,842.17x = 22,220.01 × 7,805.49
  4. Step 4: Simplify right side
    14,842.17x = 173,438,065.85
  5. Step 5: Solve for x
    x = 173,438,065.85/14,842.17
  6. Step 6: Final answer
    x = 11,685.49

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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.