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Finding the Fourth Proportional to 4,614.58, 6,888.63 and 4,286.53

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Solution

The fourth proportional to 4,614.58, 6,888.63 and 4,286.53 is: 6,398.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,614.58 : 6,888.63 = 4,286.53 : x
  2. Step 2: Convert to fraction form
    4,614.58/6,888.63 = 4,286.53/x
  3. Step 3: Cross multiply
    4,614.58x = 6,888.63 × 4,286.53
  4. Step 4: Simplify right side
    4,614.58x = 29,528,319.15
  5. Step 5: Solve for x
    x = 29,528,319.15/4,614.58
  6. Step 6: Final answer
    x = 6,398.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.