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Finding the Fourth Proportional to 6,967.86, 9,615.01 and 4,134.74

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Solution

The fourth proportional to 6,967.86, 9,615.01 and 4,134.74 is: 5,705.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,967.86 : 9,615.01 = 4,134.74 : x
  2. Step 2: Convert to fraction form
    6,967.86/9,615.01 = 4,134.74/x
  3. Step 3: Cross multiply
    6,967.86x = 9,615.01 × 4,134.74
  4. Step 4: Simplify right side
    6,967.86x = 39,755,545.77
  5. Step 5: Solve for x
    x = 39,755,545.77/6,967.86
  6. Step 6: Final answer
    x = 5,705.56

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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.