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Finding the Fourth Proportional to 5,658.07, 7,811.92 and 5,058.61

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Solution

The fourth proportional to 5,658.07, 7,811.92 and 5,058.61 is: 6,984.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,658.07 : 7,811.92 = 5,058.61 : x
  2. Step 2: Convert to fraction form
    5,658.07/7,811.92 = 5,058.61/x
  3. Step 3: Cross multiply
    5,658.07x = 7,811.92 × 5,058.61
  4. Step 4: Simplify right side
    5,658.07x = 39,517,484.12
  5. Step 5: Solve for x
    x = 39,517,484.12/5,658.07
  6. Step 6: Final answer
    x = 6,984.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.