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Finding the Fourth Proportional to 6,707.86, 9,256.93 and 3,723.98

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Solution

The fourth proportional to 6,707.86, 9,256.93 and 3,723.98 is: 5,139.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,707.86 : 9,256.93 = 3,723.98 : x
  2. Step 2: Convert to fraction form
    6,707.86/9,256.93 = 3,723.98/x
  3. Step 3: Cross multiply
    6,707.86x = 9,256.93 × 3,723.98
  4. Step 4: Simplify right side
    6,707.86x = 34,472,587.53
  5. Step 5: Solve for x
    x = 34,472,587.53/6,707.86
  6. Step 6: Final answer
    x = 5,139.13

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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.