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Finding the Fourth Proportional to 57,233.66, 85,862.77 and 19,286.67

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Solution

The fourth proportional to 57,233.66, 85,862.77 and 19,286.67 is: 28,934.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,233.66 : 85,862.77 = 19,286.67 : x
  2. Step 2: Convert to fraction form
    57,233.66/85,862.77 = 19,286.67/x
  3. Step 3: Cross multiply
    57,233.66x = 85,862.77 × 19,286.67
  4. Step 4: Simplify right side
    57,233.66x = 1,656,006,813.84
  5. Step 5: Solve for x
    x = 1,656,006,813.84/57,233.66
  6. Step 6: Final answer
    x = 28,934.14

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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.