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Finding the Fourth Proportional to 8,841.33, 13,262.15 and 7,078.14

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Solution

The fourth proportional to 8,841.33, 13,262.15 and 7,078.14 is: 10,617.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,841.33 : 13,262.15 = 7,078.14 : x
  2. Step 2: Convert to fraction form
    8,841.33/13,262.15 = 7,078.14/x
  3. Step 3: Cross multiply
    8,841.33x = 13,262.15 × 7,078.14
  4. Step 4: Simplify right side
    8,841.33x = 93,871,372.10
  5. Step 5: Solve for x
    x = 93,871,372.10/8,841.33
  6. Step 6: Final answer
    x = 10,617.34

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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.