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Finding the Fourth Proportional to 25,652.67, 35,406.57 and 15,045.72

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Solution

The fourth proportional to 25,652.67, 35,406.57 and 15,045.72 is: 20,766.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,652.67 : 35,406.57 = 15,045.72 : x
  2. Step 2: Convert to fraction form
    25,652.67/35,406.57 = 15,045.72/x
  3. Step 3: Cross multiply
    25,652.67x = 35,406.57 × 15,045.72
  4. Step 4: Simplify right side
    25,652.67x = 532,717,262.03
  5. Step 5: Solve for x
    x = 532,717,262.03/25,652.67
  6. Step 6: Final answer
    x = 20,766.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.