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Finding the Fourth Proportional to 63,073.94, 87,041.40 and 34,393.53

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Solution

The fourth proportional to 63,073.94, 87,041.40 and 34,393.53 is: 47,462.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,073.94 : 87,041.40 = 34,393.53 : x
  2. Step 2: Convert to fraction form
    63,073.94/87,041.40 = 34,393.53/x
  3. Step 3: Cross multiply
    63,073.94x = 87,041.40 × 34,393.53
  4. Step 4: Simplify right side
    63,073.94x = 2,993,661,088.13
  5. Step 5: Solve for x
    x = 2,993,661,088.13/63,073.94
  6. Step 6: Final answer
    x = 47,462.73

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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.