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Finding the Fourth Proportional to 14,885.74, 22,329.12 and 7,486.17

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Solution

The fourth proportional to 14,885.74, 22,329.12 and 7,486.17 is: 11,229.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,885.74 : 22,329.12 = 7,486.17 : x
  2. Step 2: Convert to fraction form
    14,885.74/22,329.12 = 7,486.17/x
  3. Step 3: Cross multiply
    14,885.74x = 22,329.12 × 7,486.17
  4. Step 4: Simplify right side
    14,885.74x = 167,159,476.62
  5. Step 5: Solve for x
    x = 167,159,476.62/14,885.74
  6. Step 6: Final answer
    x = 11,229.50

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Double scale
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Similar ratio
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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.