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Finding the Fourth Proportional to 75,260, 103,859.52 and 41,726.72

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Solution

The fourth proportional to 75,260, 103,859.52 and 41,726.72 is: 57,583.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,260 : 103,859.52 = 41,726.72 : x
  2. Step 2: Convert to fraction form
    75,260/103,859.52 = 41,726.72/x
  3. Step 3: Cross multiply
    75,260x = 103,859.52 × 41,726.72
  4. Step 4: Simplify right side
    75,260x = 4,333,717,110.37
  5. Step 5: Solve for x
    x = 4,333,717,110.37/75,260
  6. Step 6: Final answer
    x = 57,583.27

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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.