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Finding the Fourth Proportional to 63,017.40, 86,963.04 and 34,724.10

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Solution

The fourth proportional to 63,017.40, 86,963.04 and 34,724.10 is: 47,918.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,017.40 : 86,963.04 = 34,724.10 : x
  2. Step 2: Convert to fraction form
    63,017.40/86,963.04 = 34,724.10/x
  3. Step 3: Cross multiply
    63,017.40x = 86,963.04 × 34,724.10
  4. Step 4: Simplify right side
    63,017.40x = 3,019,713,297.26
  5. Step 5: Solve for x
    x = 3,019,713,297.26/63,017.40
  6. Step 6: Final answer
    x = 47,918.72

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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.