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Finding the Fourth Proportional to 60,599.63, 90,909.29 and 17,909.39

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Solution

The fourth proportional to 60,599.63, 90,909.29 and 17,909.39 is: 26,866.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,599.63 : 90,909.29 = 17,909.39 : x
  2. Step 2: Convert to fraction form
    60,599.63/90,909.29 = 17,909.39/x
  3. Step 3: Cross multiply
    60,599.63x = 90,909.29 × 17,909.39
  4. Step 4: Simplify right side
    60,599.63x = 1,628,129,385.14
  5. Step 5: Solve for x
    x = 1,628,129,385.14/60,599.63
  6. Step 6: Final answer
    x = 26,866.99

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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.