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Finding the Fourth Proportional to 53,224.30, 79,793.15 and 19,925.71

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Solution

The fourth proportional to 53,224.30, 79,793.15 and 19,925.71 is: 29,872.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,224.30 : 79,793.15 = 19,925.71 : x
  2. Step 2: Convert to fraction form
    53,224.30/79,793.15 = 19,925.71/x
  3. Step 3: Cross multiply
    53,224.30x = 79,793.15 × 19,925.71
  4. Step 4: Simplify right side
    53,224.30x = 1,589,934,867.78
  5. Step 5: Solve for x
    x = 1,589,934,867.78/53,224.30
  6. Step 6: Final answer
    x = 29,872.35

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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.