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Finding the Fourth Proportional to 58,795.52, 81,139.08 and 33,302

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Solution

The fourth proportional to 58,795.52, 81,139.08 and 33,302 is: 45,957.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,795.52 : 81,139.08 = 33,302 : x
  2. Step 2: Convert to fraction form
    58,795.52/81,139.08 = 33,302/x
  3. Step 3: Cross multiply
    58,795.52x = 81,139.08 × 33,302
  4. Step 4: Simplify right side
    58,795.52x = 2,702,093,642.16
  5. Step 5: Solve for x
    x = 2,702,093,642.16/58,795.52
  6. Step 6: Final answer
    x = 45,957.48

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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.