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Finding the Fourth Proportional to 25,426.68, 38,140.05 and 6,958.68

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Solution

The fourth proportional to 25,426.68, 38,140.05 and 6,958.68 is: 10,438.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,426.68 : 38,140.05 = 6,958.68 : x
  2. Step 2: Convert to fraction form
    25,426.68/38,140.05 = 6,958.68/x
  3. Step 3: Cross multiply
    25,426.68x = 38,140.05 × 6,958.68
  4. Step 4: Simplify right side
    25,426.68x = 265,404,403.13
  5. Step 5: Solve for x
    x = 265,404,403.13/25,426.68
  6. Step 6: Final answer
    x = 10,438.03

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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.