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Finding the Fourth Proportional to 5,925.76, 8,888.64 and 2,225.92

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Solution

The fourth proportional to 5,925.76, 8,888.64 and 2,225.92 is: 3,338.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,925.76 : 8,888.64 = 2,225.92 : x
  2. Step 2: Convert to fraction form
    5,925.76/8,888.64 = 2,225.92/x
  3. Step 3: Cross multiply
    5,925.76x = 8,888.64 × 2,225.92
  4. Step 4: Simplify right side
    5,925.76x = 19,785,401.55
  5. Step 5: Solve for x
    x = 19,785,401.55/5,925.76
  6. Step 6: Final answer
    x = 3,338.88

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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.