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Finding the Fourth Proportional to 51,114.52, 70,540.11 and 28,452.08

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Solution

The fourth proportional to 51,114.52, 70,540.11 and 28,452.08 is: 39,265.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,114.52 : 70,540.11 = 28,452.08 : x
  2. Step 2: Convert to fraction form
    51,114.52/70,540.11 = 28,452.08/x
  3. Step 3: Cross multiply
    51,114.52x = 70,540.11 × 28,452.08
  4. Step 4: Simplify right side
    51,114.52x = 2,007,012,852.93
  5. Step 5: Solve for x
    x = 2,007,012,852.93/51,114.52
  6. Step 6: Final answer
    x = 39,265.02

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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.