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Finding the Fourth Proportional to 57,495.64, 86,243.48 and 25,868.76

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Solution

The fourth proportional to 57,495.64, 86,243.48 and 25,868.76 is: 38,803.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,495.64 : 86,243.48 = 25,868.76 : x
  2. Step 2: Convert to fraction form
    57,495.64/86,243.48 = 25,868.76/x
  3. Step 3: Cross multiply
    57,495.64x = 86,243.48 × 25,868.76
  4. Step 4: Simplify right side
    57,495.64x = 2,231,011,885.68
  5. Step 5: Solve for x
    x = 2,231,011,885.68/57,495.64
  6. Step 6: Final answer
    x = 38,803.15

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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.