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Finding the Fourth Proportional to 59,282.28, 81,808.79 and 35,440.74

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Solution

The fourth proportional to 59,282.28, 81,808.79 and 35,440.74 is: 48,907.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,282.28 : 81,808.79 = 35,440.74 : x
  2. Step 2: Convert to fraction form
    59,282.28/81,808.79 = 35,440.74/x
  3. Step 3: Cross multiply
    59,282.28x = 81,808.79 × 35,440.74
  4. Step 4: Simplify right side
    59,282.28x = 2,899,363,878.90
  5. Step 5: Solve for x
    x = 2,899,363,878.90/59,282.28
  6. Step 6: Final answer
    x = 48,907.77

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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.