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Finding the Fourth Proportional to 40,608.78, 60,871.68 and 23,041.50

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Solution

The fourth proportional to 40,608.78, 60,871.68 and 23,041.50 is: 34,538.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,608.78 : 60,871.68 = 23,041.50 : x
  2. Step 2: Convert to fraction form
    40,608.78/60,871.68 = 23,041.50/x
  3. Step 3: Cross multiply
    40,608.78x = 60,871.68 × 23,041.50
  4. Step 4: Simplify right side
    40,608.78x = 1,402,574,814.72
  5. Step 5: Solve for x
    x = 1,402,574,814.72/40,608.78
  6. Step 6: Final answer
    x = 34,538.71

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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.