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Finding the Fourth Proportional to 38,333.91, 52,900.79 and 21,337.79

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Solution

The fourth proportional to 38,333.91, 52,900.79 and 21,337.79 is: 29,446.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,333.91 : 52,900.79 = 21,337.79 : x
  2. Step 2: Convert to fraction form
    38,333.91/52,900.79 = 21,337.79/x
  3. Step 3: Cross multiply
    38,333.91x = 52,900.79 × 21,337.79
  4. Step 4: Simplify right side
    38,333.91x = 1,128,785,947.85
  5. Step 5: Solve for x
    x = 1,128,785,947.85/38,333.91
  6. Step 6: Final answer
    x = 29,446.15

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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.