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Finding the Fourth Proportional to 62,950.44, 86,877.88 and 47,007.21

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Solution

The fourth proportional to 62,950.44, 86,877.88 and 47,007.21 is: 64,874.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,950.44 : 86,877.88 = 47,007.21 : x
  2. Step 2: Convert to fraction form
    62,950.44/86,877.88 = 47,007.21/x
  3. Step 3: Cross multiply
    62,950.44x = 86,877.88 × 47,007.21
  4. Step 4: Simplify right side
    62,950.44x = 4,083,886,306.20
  5. Step 5: Solve for x
    x = 4,083,886,306.20/62,950.44
  6. Step 6: Final answer
    x = 64,874.63

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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.