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Finding the Fourth Proportional to 6,891.24, 9,505.08 and 4,235.16

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Solution

The fourth proportional to 6,891.24, 9,505.08 and 4,235.16 is: 5,841.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,891.24 : 9,505.08 = 4,235.16 : x
  2. Step 2: Convert to fraction form
    6,891.24/9,505.08 = 4,235.16/x
  3. Step 3: Cross multiply
    6,891.24x = 9,505.08 × 4,235.16
  4. Step 4: Simplify right side
    6,891.24x = 40,255,534.61
  5. Step 5: Solve for x
    x = 40,255,534.61/6,891.24
  6. Step 6: Final answer
    x = 5,841.55

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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.