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Finding the Fourth Proportional to 4,888.68, 7,322.88 and 3,239.94

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Solution

The fourth proportional to 4,888.68, 7,322.88 and 3,239.94 is: 4,853.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.68 : 7,322.88 = 3,239.94 : x
  2. Step 2: Convert to fraction form
    4,888.68/7,322.88 = 3,239.94/x
  3. Step 3: Cross multiply
    4,888.68x = 7,322.88 × 3,239.94
  4. Step 4: Simplify right side
    4,888.68x = 23,725,691.83
  5. Step 5: Solve for x
    x = 23,725,691.83/4,888.68
  6. Step 6: Final answer
    x = 4,853.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.