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Finding the Fourth Proportional to 5,352.66, 7,386.69 and 2,994.80

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Solution

The fourth proportional to 5,352.66, 7,386.69 and 2,994.80 is: 4,132.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,352.66 : 7,386.69 = 2,994.80 : x
  2. Step 2: Convert to fraction form
    5,352.66/7,386.69 = 2,994.80/x
  3. Step 3: Cross multiply
    5,352.66x = 7,386.69 × 2,994.80
  4. Step 4: Simplify right side
    5,352.66x = 22,121,622.28
  5. Step 5: Solve for x
    x = 22,121,622.28/5,352.66
  6. Step 6: Final answer
    x = 4,132.83

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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.