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Finding the Fourth Proportional to 52,118.56, 71,948.40 and 34,920.54

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Solution

The fourth proportional to 52,118.56, 71,948.40 and 34,920.54 is: 48,206.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,118.56 : 71,948.40 = 34,920.54 : x
  2. Step 2: Convert to fraction form
    52,118.56/71,948.40 = 34,920.54/x
  3. Step 3: Cross multiply
    52,118.56x = 71,948.40 × 34,920.54
  4. Step 4: Simplify right side
    52,118.56x = 2,512,476,980.14
  5. Step 5: Solve for x
    x = 2,512,476,980.14/52,118.56
  6. Step 6: Final answer
    x = 48,206.95

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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.