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Finding the Fourth Proportional to 57,065.52, 85,598.04 and 15,512.40

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Solution

The fourth proportional to 57,065.52, 85,598.04 and 15,512.40 is: 23,268.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,065.52 : 85,598.04 = 15,512.40 : x
  2. Step 2: Convert to fraction form
    57,065.52/85,598.04 = 15,512.40/x
  3. Step 3: Cross multiply
    57,065.52x = 85,598.04 × 15,512.40
  4. Step 4: Simplify right side
    57,065.52x = 1,327,831,035.70
  5. Step 5: Solve for x
    x = 1,327,831,035.70/57,065.52
  6. Step 6: Final answer
    x = 23,268.53

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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.