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Finding the Fourth Proportional to 7,058.56, 10,587.88 and 2,381.86

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Solution

The fourth proportional to 7,058.56, 10,587.88 and 2,381.86 is: 3,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,058.56 : 10,587.88 = 2,381.86 : x
  2. Step 2: Convert to fraction form
    7,058.56/10,587.88 = 2,381.86/x
  3. Step 3: Cross multiply
    7,058.56x = 10,587.88 × 2,381.86
  4. Step 4: Simplify right side
    7,058.56x = 25,218,847.86
  5. Step 5: Solve for x
    x = 25,218,847.86/7,058.56
  6. Step 6: Final answer
    x = 3,572.80

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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.