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Finding the Fourth Proportional to 57,766.30, 86,652.53 and 18,326.45

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Solution

The fourth proportional to 57,766.30, 86,652.53 and 18,326.45 is: 27,490.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,766.30 : 86,652.53 = 18,326.45 : x
  2. Step 2: Convert to fraction form
    57,766.30/86,652.53 = 18,326.45/x
  3. Step 3: Cross multiply
    57,766.30x = 86,652.53 × 18,326.45
  4. Step 4: Simplify right side
    57,766.30x = 1,588,033,258.42
  5. Step 5: Solve for x
    x = 1,588,033,258.42/57,766.30
  6. Step 6: Final answer
    x = 27,490.65

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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.