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Finding the Fourth Proportional to 48,041.04, 72,060 and 21,745.80

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Solution

The fourth proportional to 48,041.04, 72,060 and 21,745.80 is: 32,617.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,041.04 : 72,060 = 21,745.80 : x
  2. Step 2: Convert to fraction form
    48,041.04/72,060 = 21,745.80/x
  3. Step 3: Cross multiply
    48,041.04x = 72,060 × 21,745.80
  4. Step 4: Simplify right side
    48,041.04x = 1,567,002,348
  5. Step 5: Solve for x
    x = 1,567,002,348/48,041.04
  6. Step 6: Final answer
    x = 32,617.99

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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.