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Finding the Fourth Proportional to 60,493.64, 90,740.66 and 21,041.37

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Solution

The fourth proportional to 60,493.64, 90,740.66 and 21,041.37 is: 31,562.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,493.64 : 90,740.66 = 21,041.37 : x
  2. Step 2: Convert to fraction form
    60,493.64/90,740.66 = 21,041.37/x
  3. Step 3: Cross multiply
    60,493.64x = 90,740.66 × 21,041.37
  4. Step 4: Simplify right side
    60,493.64x = 1,909,307,695.90
  5. Step 5: Solve for x
    x = 1,909,307,695.90/60,493.64
  6. Step 6: Final answer
    x = 31,562.13

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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.