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Finding the Fourth Proportional to 8,901.14, 12,284.11 and 4,922.17

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Solution

The fourth proportional to 8,901.14, 12,284.11 and 4,922.17 is: 6,792.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901.14 : 12,284.11 = 4,922.17 : x
  2. Step 2: Convert to fraction form
    8,901.14/12,284.11 = 4,922.17/x
  3. Step 3: Cross multiply
    8,901.14x = 12,284.11 × 4,922.17
  4. Step 4: Simplify right side
    8,901.14x = 60,464,425.47
  5. Step 5: Solve for x
    x = 60,464,425.47/8,901.14
  6. Step 6: Final answer
    x = 6,792.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.