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Finding the Fourth Proportional to 11,463.84, 17,218.80 and 10,018.08

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Solution

The fourth proportional to 11,463.84, 17,218.80 and 10,018.08 is: 15,047.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,463.84 : 17,218.80 = 10,018.08 : x
  2. Step 2: Convert to fraction form
    11,463.84/17,218.80 = 10,018.08/x
  3. Step 3: Cross multiply
    11,463.84x = 17,218.80 × 10,018.08
  4. Step 4: Simplify right side
    11,463.84x = 172,499,315.90
  5. Step 5: Solve for x
    x = 172,499,315.90/11,463.84
  6. Step 6: Final answer
    x = 15,047.25

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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.