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Finding the Fourth Proportional to 5,352.68, 7,976.48 and 5,176.51

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Solution

The fourth proportional to 5,352.68, 7,976.48 and 5,176.51 is: 7,713.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,352.68 : 7,976.48 = 5,176.51 : x
  2. Step 2: Convert to fraction form
    5,352.68/7,976.48 = 5,176.51/x
  3. Step 3: Cross multiply
    5,352.68x = 7,976.48 × 5,176.51
  4. Step 4: Simplify right side
    5,352.68x = 41,290,282.66
  5. Step 5: Solve for x
    x = 41,290,282.66/5,352.68
  6. Step 6: Final answer
    x = 7,713.94

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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.