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Finding the Fourth Proportional to 25,895.75, 35,871.47 and 25,370.87

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Solution

The fourth proportional to 25,895.75, 35,871.47 and 25,370.87 is: 35,144.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,895.75 : 35,871.47 = 25,370.87 : x
  2. Step 2: Convert to fraction form
    25,895.75/35,871.47 = 25,370.87/x
  3. Step 3: Cross multiply
    25,895.75x = 35,871.47 × 25,370.87
  4. Step 4: Simplify right side
    25,895.75x = 910,090,191.01
  5. Step 5: Solve for x
    x = 910,090,191.01/25,895.75
  6. Step 6: Final answer
    x = 35,144.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.