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Finding the Fourth Proportional to 25,988.27, 38,984.86 and 7,268.30

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Solution

The fourth proportional to 25,988.27, 38,984.86 and 7,268.30 is: 10,903.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,988.27 : 38,984.86 = 7,268.30 : x
  2. Step 2: Convert to fraction form
    25,988.27/38,984.86 = 7,268.30/x
  3. Step 3: Cross multiply
    25,988.27x = 38,984.86 × 7,268.30
  4. Step 4: Simplify right side
    25,988.27x = 283,353,657.94
  5. Step 5: Solve for x
    x = 283,353,657.94/25,988.27
  6. Step 6: Final answer
    x = 10,903.14

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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.