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Finding the Fourth Proportional to 75,399.68, 113,111.81 and 25,482.80

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Solution

The fourth proportional to 75,399.68, 113,111.81 and 25,482.80 is: 38,228.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,399.68 : 113,111.81 = 25,482.80 : x
  2. Step 2: Convert to fraction form
    75,399.68/113,111.81 = 25,482.80/x
  3. Step 3: Cross multiply
    75,399.68x = 113,111.81 × 25,482.80
  4. Step 4: Simplify right side
    75,399.68x = 2,882,405,631.87
  5. Step 5: Solve for x
    x = 2,882,405,631.87/75,399.68
  6. Step 6: Final answer
    x = 38,228.35

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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.