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Finding the Fourth Proportional to 25,543.97, 38,316.16 and 8,903.97

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Solution

The fourth proportional to 25,543.97, 38,316.16 and 8,903.97 is: 13,356.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,543.97 : 38,316.16 = 8,903.97 : x
  2. Step 2: Convert to fraction form
    25,543.97/38,316.16 = 8,903.97/x
  3. Step 3: Cross multiply
    25,543.97x = 38,316.16 × 8,903.97
  4. Step 4: Simplify right side
    25,543.97x = 341,165,867.56
  5. Step 5: Solve for x
    x = 341,165,867.56/25,543.97
  6. Step 6: Final answer
    x = 13,356.03

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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.