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Finding the Fourth Proportional to 22,319.72, 33,482.14 and 6,738.28

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Solution

The fourth proportional to 22,319.72, 33,482.14 and 6,738.28 is: 10,108.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,319.72 : 33,482.14 = 6,738.28 : x
  2. Step 2: Convert to fraction form
    22,319.72/33,482.14 = 6,738.28/x
  3. Step 3: Cross multiply
    22,319.72x = 33,482.14 × 6,738.28
  4. Step 4: Simplify right side
    22,319.72x = 225,612,034.32
  5. Step 5: Solve for x
    x = 225,612,034.32/22,319.72
  6. Step 6: Final answer
    x = 10,108.19

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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.