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Finding the Fourth Proportional to 5,352.70, 7,386.90 and 2,994.82

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Solution

The fourth proportional to 5,352.70, 7,386.90 and 2,994.82 is: 4,132.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,352.70 : 7,386.90 = 2,994.82 : x
  2. Step 2: Convert to fraction form
    5,352.70/7,386.90 = 2,994.82/x
  3. Step 3: Cross multiply
    5,352.70x = 7,386.90 × 2,994.82
  4. Step 4: Simplify right side
    5,352.70x = 22,122,435.86
  5. Step 5: Solve for x
    x = 22,122,435.86/5,352.70
  6. Step 6: Final answer
    x = 4,132.95

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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.