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Finding the Fourth Proportional to 5,652.68, 8,479.66 and 1,954.49

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Solution

The fourth proportional to 5,652.68, 8,479.66 and 1,954.49 is: 2,931.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,652.68 : 8,479.66 = 1,954.49 : x
  2. Step 2: Convert to fraction form
    5,652.68/8,479.66 = 1,954.49/x
  3. Step 3: Cross multiply
    5,652.68x = 8,479.66 × 1,954.49
  4. Step 4: Simplify right side
    5,652.68x = 16,573,426.99
  5. Step 5: Solve for x
    x = 16,573,426.99/5,652.68
  6. Step 6: Final answer
    x = 2,931.96

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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.