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Finding the Fourth Proportional to 57,950.10, 86,925.15 and 20,552.40

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Solution

The fourth proportional to 57,950.10, 86,925.15 and 20,552.40 is: 30,828.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,950.10 : 86,925.15 = 20,552.40 : x
  2. Step 2: Convert to fraction form
    57,950.10/86,925.15 = 20,552.40/x
  3. Step 3: Cross multiply
    57,950.10x = 86,925.15 × 20,552.40
  4. Step 4: Simplify right side
    57,950.10x = 1,786,520,452.86
  5. Step 5: Solve for x
    x = 1,786,520,452.86/57,950.10
  6. Step 6: Final answer
    x = 30,828.60

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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.