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Finding the Fourth Proportional to 75,989.87, 113,987.11 and 26,069.24

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Solution

The fourth proportional to 75,989.87, 113,987.11 and 26,069.24 is: 39,104.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,989.87 : 113,987.11 = 26,069.24 : x
  2. Step 2: Convert to fraction form
    75,989.87/113,987.11 = 26,069.24/x
  3. Step 3: Cross multiply
    75,989.87x = 113,987.11 × 26,069.24
  4. Step 4: Simplify right side
    75,989.87x = 2,971,557,547.29
  5. Step 5: Solve for x
    x = 2,971,557,547.29/75,989.87
  6. Step 6: Final answer
    x = 39,104.66

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1.5x scale

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.