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Finding the Fourth Proportional to 57,152.40, 85,727.64 and 15,599.40

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Solution

The fourth proportional to 57,152.40, 85,727.64 and 15,599.40 is: 23,398.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,152.40 : 85,727.64 = 15,599.40 : x
  2. Step 2: Convert to fraction form
    57,152.40/85,727.64 = 15,599.40/x
  3. Step 3: Cross multiply
    57,152.40x = 85,727.64 × 15,599.40
  4. Step 4: Simplify right side
    57,152.40x = 1,337,299,747.42
  5. Step 5: Solve for x
    x = 1,337,299,747.42/57,152.40
  6. Step 6: Final answer
    x = 23,398.84

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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.