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Finding the Fourth Proportional to 11,869.16, 17,803.54 and 4,847.63

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Solution

The fourth proportional to 11,869.16, 17,803.54 and 4,847.63 is: 7,271.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869.16 : 17,803.54 = 4,847.63 : x
  2. Step 2: Convert to fraction form
    11,869.16/17,803.54 = 4,847.63/x
  3. Step 3: Cross multiply
    11,869.16x = 17,803.54 × 4,847.63
  4. Step 4: Simplify right side
    11,869.16x = 86,304,974.61
  5. Step 5: Solve for x
    x = 86,304,974.61/11,869.16
  6. Step 6: Final answer
    x = 7,271.36

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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.