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Finding the Fourth Proportional to 62,927.98, 86,838.97 and 34,248.21

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Solution

The fourth proportional to 62,927.98, 86,838.97 and 34,248.21 is: 47,261.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,927.98 : 86,838.97 = 34,248.21 : x
  2. Step 2: Convert to fraction form
    62,927.98/86,838.97 = 34,248.21/x
  3. Step 3: Cross multiply
    62,927.98x = 86,838.97 × 34,248.21
  4. Step 4: Simplify right side
    62,927.98x = 2,974,079,280.74
  5. Step 5: Solve for x
    x = 2,974,079,280.74/62,927.98
  6. Step 6: Final answer
    x = 47,261.64

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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.