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Finding the Fourth Proportional to 72,352.39, 99,836.82 and 41,726.63

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Solution

The fourth proportional to 72,352.39, 99,836.82 and 41,726.63 is: 57,577.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,352.39 : 99,836.82 = 41,726.63 : x
  2. Step 2: Convert to fraction form
    72,352.39/99,836.82 = 41,726.63/x
  3. Step 3: Cross multiply
    72,352.39x = 99,836.82 × 41,726.63
  4. Step 4: Simplify right side
    72,352.39x = 4,165,854,048.52
  5. Step 5: Solve for x
    x = 4,165,854,048.52/72,352.39
  6. Step 6: Final answer
    x = 57,577.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.