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Finding the Fourth Proportional to 27,058.56, 40,587.92 and 7,337.20

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Solution

The fourth proportional to 27,058.56, 40,587.92 and 7,337.20 is: 11,005.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,058.56 : 40,587.92 = 7,337.20 : x
  2. Step 2: Convert to fraction form
    27,058.56/40,587.92 = 7,337.20/x
  3. Step 3: Cross multiply
    27,058.56x = 40,587.92 × 7,337.20
  4. Step 4: Simplify right side
    27,058.56x = 297,801,686.62
  5. Step 5: Solve for x
    x = 297,801,686.62/27,058.56
  6. Step 6: Final answer
    x = 11,005.82

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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.