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Finding the Fourth Proportional to 71,575.51, 107,329.95 and 26,565.51

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Solution

The fourth proportional to 71,575.51, 107,329.95 and 26,565.51 is: 39,835.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,575.51 : 107,329.95 = 26,565.51 : x
  2. Step 2: Convert to fraction form
    71,575.51/107,329.95 = 26,565.51/x
  3. Step 3: Cross multiply
    71,575.51x = 107,329.95 × 26,565.51
  4. Step 4: Simplify right side
    71,575.51x = 2,851,274,860.02
  5. Step 5: Solve for x
    x = 2,851,274,860.02/71,575.51
  6. Step 6: Final answer
    x = 39,835.90

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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.