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Finding the Fourth Proportional to 59,919.84, 82,663.74 and 36,032.40

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Solution

The fourth proportional to 59,919.84, 82,663.74 and 36,032.40 is: 49,709.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,919.84 : 82,663.74 = 36,032.40 : x
  2. Step 2: Convert to fraction form
    59,919.84/82,663.74 = 36,032.40/x
  3. Step 3: Cross multiply
    59,919.84x = 82,663.74 × 36,032.40
  4. Step 4: Simplify right side
    59,919.84x = 2,978,572,945.18
  5. Step 5: Solve for x
    x = 2,978,572,945.18/59,919.84
  6. Step 6: Final answer
    x = 49,709.29

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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.