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Finding the Fourth Proportional to 38,793.96, 53,535.48 and 22,664.40

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Solution

The fourth proportional to 38,793.96, 53,535.48 and 22,664.40 is: 31,276.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,793.96 : 53,535.48 = 22,664.40 : x
  2. Step 2: Convert to fraction form
    38,793.96/53,535.48 = 22,664.40/x
  3. Step 3: Cross multiply
    38,793.96x = 53,535.48 × 22,664.40
  4. Step 4: Simplify right side
    38,793.96x = 1,213,349,532.91
  5. Step 5: Solve for x
    x = 1,213,349,532.91/38,793.96
  6. Step 6: Final answer
    x = 31,276.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.