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Finding the Fourth Proportional to 57,196.93, 85,794.96 and 17,215.74

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Solution

The fourth proportional to 57,196.93, 85,794.96 and 17,215.74 is: 25,823.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,196.93 : 85,794.96 = 17,215.74 : x
  2. Step 2: Convert to fraction form
    57,196.93/85,794.96 = 17,215.74/x
  3. Step 3: Cross multiply
    57,196.93x = 85,794.96 × 17,215.74
  4. Step 4: Simplify right side
    57,196.93x = 1,477,023,724.67
  5. Step 5: Solve for x
    x = 1,477,023,724.67/57,196.93
  6. Step 6: Final answer
    x = 25,823.48

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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.