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Finding the Fourth Proportional to 5,352.42, 7,386.75 and 2,994.42

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Solution

The fourth proportional to 5,352.42, 7,386.75 and 2,994.42 is: 4,132.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,352.42 : 7,386.75 = 2,994.42 : x
  2. Step 2: Convert to fraction form
    5,352.42/7,386.75 = 2,994.42/x
  3. Step 3: Cross multiply
    5,352.42x = 7,386.75 × 2,994.42
  4. Step 4: Simplify right side
    5,352.42x = 22,119,031.94
  5. Step 5: Solve for x
    x = 22,119,031.94/5,352.42
  6. Step 6: Final answer
    x = 4,132.53

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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.