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Finding the Fourth Proportional to 6,751.47, 9,317.13 and 3,726.93

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Solution

The fourth proportional to 6,751.47, 9,317.13 and 3,726.93 is: 5,143.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,751.47 : 9,317.13 = 3,726.93 : x
  2. Step 2: Convert to fraction form
    6,751.47/9,317.13 = 3,726.93/x
  3. Step 3: Cross multiply
    6,751.47x = 9,317.13 × 3,726.93
  4. Step 4: Simplify right side
    6,751.47x = 34,724,291.31
  5. Step 5: Solve for x
    x = 34,724,291.31/6,751.47
  6. Step 6: Final answer
    x = 5,143.22

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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.