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Finding the Fourth Proportional to 63,030.56, 86,981.04 and 34,350.47

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Solution

The fourth proportional to 63,030.56, 86,981.04 and 34,350.47 is: 47,403.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,030.56 : 86,981.04 = 34,350.47 : x
  2. Step 2: Convert to fraction form
    63,030.56/86,981.04 = 34,350.47/x
  3. Step 3: Cross multiply
    63,030.56x = 86,981.04 × 34,350.47
  4. Step 4: Simplify right side
    63,030.56x = 2,987,839,170.18
  5. Step 5: Solve for x
    x = 2,987,839,170.18/63,030.56
  6. Step 6: Final answer
    x = 47,403.03

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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.