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Finding the Fourth Proportional to 11,262.64, 16,888.21 and 3,763.49

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Solution

The fourth proportional to 11,262.64, 16,888.21 and 3,763.49 is: 5,643.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,262.64 : 16,888.21 = 3,763.49 : x
  2. Step 2: Convert to fraction form
    11,262.64/16,888.21 = 3,763.49/x
  3. Step 3: Cross multiply
    11,262.64x = 16,888.21 × 3,763.49
  4. Step 4: Simplify right side
    11,262.64x = 63,558,642.26
  5. Step 5: Solve for x
    x = 63,558,642.26/11,262.64
  6. Step 6: Final answer
    x = 5,643.32

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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.