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Finding the Fourth Proportional to 4,888.67, 7,326.68 and 3,132.99

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Solution

The fourth proportional to 4,888.67, 7,326.68 and 3,132.99 is: 4,695.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.67 : 7,326.68 = 3,132.99 : x
  2. Step 2: Convert to fraction form
    4,888.67/7,326.68 = 3,132.99/x
  3. Step 3: Cross multiply
    4,888.67x = 7,326.68 × 3,132.99
  4. Step 4: Simplify right side
    4,888.67x = 22,954,399.51
  5. Step 5: Solve for x
    x = 22,954,399.51/4,888.67
  6. Step 6: Final answer
    x = 4,695.43

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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.