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Finding the Fourth Proportional to 58,309.27, 87,464.85 and 18,327

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Solution

The fourth proportional to 58,309.27, 87,464.85 and 18,327 is: 27,490.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,309.27 : 87,464.85 = 18,327 : x
  2. Step 2: Convert to fraction form
    58,309.27/87,464.85 = 18,327/x
  3. Step 3: Cross multiply
    58,309.27x = 87,464.85 × 18,327
  4. Step 4: Simplify right side
    58,309.27x = 1,602,968,305.95
  5. Step 5: Solve for x
    x = 1,602,968,305.95/58,309.27
  6. Step 6: Final answer
    x = 27,490.80

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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.