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Finding the Fourth Proportional to 59,880.48, 89,818.32 and 17,758.88

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Solution

The fourth proportional to 59,880.48, 89,818.32 and 17,758.88 is: 26,637.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,880.48 : 89,818.32 = 17,758.88 : x
  2. Step 2: Convert to fraction form
    59,880.48/89,818.32 = 17,758.88/x
  3. Step 3: Cross multiply
    59,880.48x = 89,818.32 × 17,758.88
  4. Step 4: Simplify right side
    59,880.48x = 1,595,072,766.68
  5. Step 5: Solve for x
    x = 1,595,072,766.68/59,880.48
  6. Step 6: Final answer
    x = 26,637.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.