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Finding the Fourth Proportional to 60,493.40, 90,632.10 and 29,259.80

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Solution

The fourth proportional to 60,493.40, 90,632.10 and 29,259.80 is: 43,837.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,493.40 : 90,632.10 = 29,259.80 : x
  2. Step 2: Convert to fraction form
    60,493.40/90,632.10 = 29,259.80/x
  3. Step 3: Cross multiply
    60,493.40x = 90,632.10 × 29,259.80
  4. Step 4: Simplify right side
    60,493.40x = 2,651,877,119.58
  5. Step 5: Solve for x
    x = 2,651,877,119.58/60,493.40
  6. Step 6: Final answer
    x = 43,837.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.