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Finding the Fourth Proportional to 96,382.89, 133,008.89 and 53,938.76

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Solution

The fourth proportional to 96,382.89, 133,008.89 and 53,938.76 is: 74,435.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,382.89 : 133,008.89 = 53,938.76 : x
  2. Step 2: Convert to fraction form
    96,382.89/133,008.89 = 53,938.76/x
  3. Step 3: Cross multiply
    96,382.89x = 133,008.89 × 53,938.76
  4. Step 4: Simplify right side
    96,382.89x = 7,174,333,660.84
  5. Step 5: Solve for x
    x = 7,174,333,660.84/96,382.89
  6. Step 6: Final answer
    x = 74,435.76

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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.