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Finding the Fourth Proportional to 48,011.80, 71,985.30 and 25,526.20

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Solution

The fourth proportional to 48,011.80, 71,985.30 and 25,526.20 is: 38,272.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,011.80 : 71,985.30 = 25,526.20 : x
  2. Step 2: Convert to fraction form
    48,011.80/71,985.30 = 25,526.20/x
  3. Step 3: Cross multiply
    48,011.80x = 71,985.30 × 25,526.20
  4. Step 4: Simplify right side
    48,011.80x = 1,837,511,164.86
  5. Step 5: Solve for x
    x = 1,837,511,164.86/48,011.80
  6. Step 6: Final answer
    x = 38,272.07

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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.