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Finding the Fourth Proportional to 5,502.68, 8,254.02 and 2,215.01

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Solution

The fourth proportional to 5,502.68, 8,254.02 and 2,215.01 is: 3,322.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,502.68 : 8,254.02 = 2,215.01 : x
  2. Step 2: Convert to fraction form
    5,502.68/8,254.02 = 2,215.01/x
  3. Step 3: Cross multiply
    5,502.68x = 8,254.02 × 2,215.01
  4. Step 4: Simplify right side
    5,502.68x = 18,282,695.57
  5. Step 5: Solve for x
    x = 18,282,695.57/5,502.68
  6. Step 6: Final answer
    x = 3,322.51

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Half scale
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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.