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Finding the Fourth Proportional to 10,769.84, 14,853.22 and 7,418.08

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Solution

The fourth proportional to 10,769.84, 14,853.22 and 7,418.08 is: 10,230.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,769.84 : 14,853.22 = 7,418.08 : x
  2. Step 2: Convert to fraction form
    10,769.84/14,853.22 = 7,418.08/x
  3. Step 3: Cross multiply
    10,769.84x = 14,853.22 × 7,418.08
  4. Step 4: Simplify right side
    10,769.84x = 110,182,374.22
  5. Step 5: Solve for x
    x = 110,182,374.22/10,769.84
  6. Step 6: Final answer
    x = 10,230.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.