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Finding the Fourth Proportional to 40,338.69, 60,424.80 and 23,648.03

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Solution

The fourth proportional to 40,338.69, 60,424.80 and 23,648.03 is: 35,423.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,338.69 : 60,424.80 = 23,648.03 : x
  2. Step 2: Convert to fraction form
    40,338.69/60,424.80 = 23,648.03/x
  3. Step 3: Cross multiply
    40,338.69x = 60,424.80 × 23,648.03
  4. Step 4: Simplify right side
    40,338.69x = 1,428,927,483.14
  5. Step 5: Solve for x
    x = 1,428,927,483.14/40,338.69
  6. Step 6: Final answer
    x = 35,423.25

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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.