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Finding the Fourth Proportional to 63,017.17, 86,963.14 and 34,722.65

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Solution

The fourth proportional to 63,017.17, 86,963.14 and 34,722.65 is: 47,916.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,017.17 : 86,963.14 = 34,722.65 : x
  2. Step 2: Convert to fraction form
    63,017.17/86,963.14 = 34,722.65/x
  3. Step 3: Cross multiply
    63,017.17x = 86,963.14 × 34,722.65
  4. Step 4: Simplify right side
    63,017.17x = 3,019,590,673.12
  5. Step 5: Solve for x
    x = 3,019,590,673.12/63,017.17
  6. Step 6: Final answer
    x = 47,916.95

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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.