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Finding the Fourth Proportional to 40,507.50, 60,788.25 and 15,568.14

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Solution

The fourth proportional to 40,507.50, 60,788.25 and 15,568.14 is: 23,362.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,507.50 : 60,788.25 = 15,568.14 : x
  2. Step 2: Convert to fraction form
    40,507.50/60,788.25 = 15,568.14/x
  3. Step 3: Cross multiply
    40,507.50x = 60,788.25 × 15,568.14
  4. Step 4: Simplify right side
    40,507.50x = 946,359,986.36
  5. Step 5: Solve for x
    x = 946,359,986.36/40,507.50
  6. Step 6: Final answer
    x = 23,362.59

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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.