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Finding the Fourth Proportional to 8,840.76, 12,195.18 and 5,523

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Solution

The fourth proportional to 8,840.76, 12,195.18 and 5,523 is: 7,618.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.76 : 12,195.18 = 5,523 : x
  2. Step 2: Convert to fraction form
    8,840.76/12,195.18 = 5,523/x
  3. Step 3: Cross multiply
    8,840.76x = 12,195.18 × 5,523
  4. Step 4: Simplify right side
    8,840.76x = 67,353,979.14
  5. Step 5: Solve for x
    x = 67,353,979.14/8,840.76
  6. Step 6: Final answer
    x = 7,618.57

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Double scale
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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.