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Finding the Fourth Proportional to 7,219.32, 10,837.14 and 4,849.12

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Solution

The fourth proportional to 7,219.32, 10,837.14 and 4,849.12 is: 7,279.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.32 : 10,837.14 = 4,849.12 : x
  2. Step 2: Convert to fraction form
    7,219.32/10,837.14 = 4,849.12/x
  3. Step 3: Cross multiply
    7,219.32x = 10,837.14 × 4,849.12
  4. Step 4: Simplify right side
    7,219.32x = 52,550,592.32
  5. Step 5: Solve for x
    x = 52,550,592.32/7,219.32
  6. Step 6: Final answer
    x = 7,279.16

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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.