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Finding the Fourth Proportional to 60,041.26, 90,063.71 and 20,597.80

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Solution

The fourth proportional to 60,041.26, 90,063.71 and 20,597.80 is: 30,897.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,041.26 : 90,063.71 = 20,597.80 : x
  2. Step 2: Convert to fraction form
    60,041.26/90,063.71 = 20,597.80/x
  3. Step 3: Cross multiply
    60,041.26x = 90,063.71 × 20,597.80
  4. Step 4: Simplify right side
    60,041.26x = 1,855,113,732.53
  5. Step 5: Solve for x
    x = 1,855,113,732.53/60,041.26
  6. Step 6: Final answer
    x = 30,897.32

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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.