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Finding the Fourth Proportional to 48,387.73, 72,577.95 and 28,791.01

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Solution

The fourth proportional to 48,387.73, 72,577.95 and 28,791.01 is: 43,184.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,387.73 : 72,577.95 = 28,791.01 : x
  2. Step 2: Convert to fraction form
    48,387.73/72,577.95 = 28,791.01/x
  3. Step 3: Cross multiply
    48,387.73x = 72,577.95 × 28,791.01
  4. Step 4: Simplify right side
    48,387.73x = 2,089,592,484.23
  5. Step 5: Solve for x
    x = 2,089,592,484.23/48,387.73
  6. Step 6: Final answer
    x = 43,184.35

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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.