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Finding the Fourth Proportional to 59,688.84, 82,488.74 and 48,916.73

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Solution

The fourth proportional to 59,688.84, 82,488.74 and 48,916.73 is: 67,601.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,688.84 : 82,488.74 = 48,916.73 : x
  2. Step 2: Convert to fraction form
    59,688.84/82,488.74 = 48,916.73/x
  3. Step 3: Cross multiply
    59,688.84x = 82,488.74 × 48,916.73
  4. Step 4: Simplify right side
    59,688.84x = 4,035,079,177.21
  5. Step 5: Solve for x
    x = 4,035,079,177.21/59,688.84
  6. Step 6: Final answer
    x = 67,601.90

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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.