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Finding the Fourth Proportional to 57,548.16, 86,322.05 and 25,921.20

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Solution

The fourth proportional to 57,548.16, 86,322.05 and 25,921.20 is: 38,881.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,548.16 : 86,322.05 = 25,921.20 : x
  2. Step 2: Convert to fraction form
    57,548.16/86,322.05 = 25,921.20/x
  3. Step 3: Cross multiply
    57,548.16x = 86,322.05 × 25,921.20
  4. Step 4: Simplify right side
    57,548.16x = 2,237,570,777.05
  5. Step 5: Solve for x
    x = 2,237,570,777.05/57,548.16
  6. Step 6: Final answer
    x = 38,881.71

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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.