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Finding the Fourth Proportional to 63,163.05, 87,164.47 and 34,868.13

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Solution

The fourth proportional to 63,163.05, 87,164.47 and 34,868.13 is: 48,117.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,163.05 : 87,164.47 = 34,868.13 : x
  2. Step 2: Convert to fraction form
    63,163.05/87,164.47 = 34,868.13/x
  3. Step 3: Cross multiply
    63,163.05x = 87,164.47 × 34,868.13
  4. Step 4: Simplify right side
    63,163.05x = 3,039,262,071.34
  5. Step 5: Solve for x
    x = 3,039,262,071.34/63,163.05
  6. Step 6: Final answer
    x = 48,117.72

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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.