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Finding the Fourth Proportional to 62,551, 86,320.38 and 34,256.89

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Solution

The fourth proportional to 62,551, 86,320.38 and 34,256.89 is: 47,274.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,551 : 86,320.38 = 34,256.89 : x
  2. Step 2: Convert to fraction form
    62,551/86,320.38 = 34,256.89/x
  3. Step 3: Cross multiply
    62,551x = 86,320.38 × 34,256.89
  4. Step 4: Simplify right side
    62,551x = 2,957,067,762.42
  5. Step 5: Solve for x
    x = 2,957,067,762.42/62,551
  6. Step 6: Final answer
    x = 47,274.51

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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.