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Finding the Fourth Proportional to 40,023, 60,015.64 and 23,387.82

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Solution

The fourth proportional to 40,023, 60,015.64 and 23,387.82 is: 35,070.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,023 : 60,015.64 = 23,387.82 : x
  2. Step 2: Convert to fraction form
    40,023/60,015.64 = 23,387.82/x
  3. Step 3: Cross multiply
    40,023x = 60,015.64 × 23,387.82
  4. Step 4: Simplify right side
    40,023x = 1,403,634,985.50
  5. Step 5: Solve for x
    x = 1,403,634,985.50/40,023
  6. Step 6: Final answer
    x = 35,070.71

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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.