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Finding the Fourth Proportional to 11,874.84, 17,812.06 and 3,554.92

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Solution

The fourth proportional to 11,874.84, 17,812.06 and 3,554.92 is: 5,332.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,874.84 : 17,812.06 = 3,554.92 : x
  2. Step 2: Convert to fraction form
    11,874.84/17,812.06 = 3,554.92/x
  3. Step 3: Cross multiply
    11,874.84x = 17,812.06 × 3,554.92
  4. Step 4: Simplify right side
    11,874.84x = 63,320,448.34
  5. Step 5: Solve for x
    x = 63,320,448.34/11,874.84
  6. Step 6: Final answer
    x = 5,332.32

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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.