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Finding the Fourth Proportional to 8,988.52, 13,477.62 and 2,746.79

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Solution

The fourth proportional to 8,988.52, 13,477.62 and 2,746.79 is: 4,118.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988.52 : 13,477.62 = 2,746.79 : x
  2. Step 2: Convert to fraction form
    8,988.52/13,477.62 = 2,746.79/x
  3. Step 3: Cross multiply
    8,988.52x = 13,477.62 × 2,746.79
  4. Step 4: Simplify right side
    8,988.52x = 37,020,191.84
  5. Step 5: Solve for x
    x = 37,020,191.84/8,988.52
  6. Step 6: Final answer
    x = 4,118.61

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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.