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Finding the Fourth Proportional to 18,575.08, 27,862.62 and 6,885.16

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Solution

The fourth proportional to 18,575.08, 27,862.62 and 6,885.16 is: 10,327.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,575.08 : 27,862.62 = 6,885.16 : x
  2. Step 2: Convert to fraction form
    18,575.08/27,862.62 = 6,885.16/x
  3. Step 3: Cross multiply
    18,575.08x = 27,862.62 × 6,885.16
  4. Step 4: Simplify right side
    18,575.08x = 191,838,596.72
  5. Step 5: Solve for x
    x = 191,838,596.72/18,575.08
  6. Step 6: Final answer
    x = 10,327.74

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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.