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Finding the Fourth Proportional to 8,536.66, 12,802.48 and 2,988.97

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Solution

The fourth proportional to 8,536.66, 12,802.48 and 2,988.97 is: 4,482.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,536.66 : 12,802.48 = 2,988.97 : x
  2. Step 2: Convert to fraction form
    8,536.66/12,802.48 = 2,988.97/x
  3. Step 3: Cross multiply
    8,536.66x = 12,802.48 × 2,988.97
  4. Step 4: Simplify right side
    8,536.66x = 38,266,228.65
  5. Step 5: Solve for x
    x = 38,266,228.65/8,536.66
  6. Step 6: Final answer
    x = 4,482.58

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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.