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Finding the Fourth Proportional to 11,868.66, 17,802.80 and 4,847.13

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Solution

The fourth proportional to 11,868.66, 17,802.80 and 4,847.13 is: 7,270.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,868.66 : 17,802.80 = 4,847.13 : x
  2. Step 2: Convert to fraction form
    11,868.66/17,802.80 = 4,847.13/x
  3. Step 3: Cross multiply
    11,868.66x = 17,802.80 × 4,847.13
  4. Step 4: Simplify right side
    11,868.66x = 86,292,461.73
  5. Step 5: Solve for x
    x = 86,292,461.73/11,868.66
  6. Step 6: Final answer
    x = 7,270.62

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1.5x scale

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.