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Finding the Fourth Proportional to 6,751.76, 9,317.40 and 4,516.88

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Solution

The fourth proportional to 6,751.76, 9,317.40 and 4,516.88 is: 6,233.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,751.76 : 9,317.40 = 4,516.88 : x
  2. Step 2: Convert to fraction form
    6,751.76/9,317.40 = 4,516.88/x
  3. Step 3: Cross multiply
    6,751.76x = 9,317.40 × 4,516.88
  4. Step 4: Simplify right side
    6,751.76x = 42,085,577.71
  5. Step 5: Solve for x
    x = 42,085,577.71/6,751.76
  6. Step 6: Final answer
    x = 6,233.28

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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.