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Finding the Fourth Proportional to 18,248.64, 27,372.96 and 4,397.64

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Solution

The fourth proportional to 18,248.64, 27,372.96 and 4,397.64 is: 6,596.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,248.64 : 27,372.96 = 4,397.64 : x
  2. Step 2: Convert to fraction form
    18,248.64/27,372.96 = 4,397.64/x
  3. Step 3: Cross multiply
    18,248.64x = 27,372.96 × 4,397.64
  4. Step 4: Simplify right side
    18,248.64x = 120,376,423.81
  5. Step 5: Solve for x
    x = 120,376,423.81/18,248.64
  6. Step 6: Final answer
    x = 6,596.46

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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.