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Finding the Fourth Proportional to 40,866.48, 61,275 and 26,645.50

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Solution

The fourth proportional to 40,866.48, 61,275 and 26,645.50 is: 39,952.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,866.48 : 61,275 = 26,645.50 : x
  2. Step 2: Convert to fraction form
    40,866.48/61,275 = 26,645.50/x
  3. Step 3: Cross multiply
    40,866.48x = 61,275 × 26,645.50
  4. Step 4: Simplify right side
    40,866.48x = 1,632,703,012.50
  5. Step 5: Solve for x
    x = 1,632,703,012.50/40,866.48
  6. Step 6: Final answer
    x = 39,952.13

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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.