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Finding the Fourth Proportional to 18,932.64, 28,398.06 and 6,452.16

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Solution

The fourth proportional to 18,932.64, 28,398.06 and 6,452.16 is: 9,677.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,932.64 : 28,398.06 = 6,452.16 : x
  2. Step 2: Convert to fraction form
    18,932.64/28,398.06 = 6,452.16/x
  3. Step 3: Cross multiply
    18,932.64x = 28,398.06 × 6,452.16
  4. Step 4: Simplify right side
    18,932.64x = 183,228,826.81
  5. Step 5: Solve for x
    x = 183,228,826.81/18,932.64
  6. Step 6: Final answer
    x = 9,677.93

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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.