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Finding the Fourth Proportional to 25,873.60, 35,704.02 and 15,266.56

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Solution

The fourth proportional to 25,873.60, 35,704.02 and 15,266.56 is: 21,066.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,873.60 : 35,704.02 = 15,266.56 : x
  2. Step 2: Convert to fraction form
    25,873.60/35,704.02 = 15,266.56/x
  3. Step 3: Cross multiply
    25,873.60x = 35,704.02 × 15,266.56
  4. Step 4: Simplify right side
    25,873.60x = 545,077,563.57
  5. Step 5: Solve for x
    x = 545,077,563.57/25,873.60
  6. Step 6: Final answer
    x = 21,066.94

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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.