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Finding the Fourth Proportional to 6,746.57, 9,313.14 and 4,230.11

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Solution

The fourth proportional to 6,746.57, 9,313.14 and 4,230.11 is: 5,839.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,746.57 : 9,313.14 = 4,230.11 : x
  2. Step 2: Convert to fraction form
    6,746.57/9,313.14 = 4,230.11/x
  3. Step 3: Cross multiply
    6,746.57x = 9,313.14 × 4,230.11
  4. Step 4: Simplify right side
    6,746.57x = 39,395,645.79
  5. Step 5: Solve for x
    x = 39,395,645.79/6,746.57
  6. Step 6: Final answer
    x = 5,839.36

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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.