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Finding the Fourth Proportional to 4,999.68, 7,515.72 and 4,844.16

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Solution

The fourth proportional to 4,999.68, 7,515.72 and 4,844.16 is: 7,281.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.68 : 7,515.72 = 4,844.16 : x
  2. Step 2: Convert to fraction form
    4,999.68/7,515.72 = 4,844.16/x
  3. Step 3: Cross multiply
    4,999.68x = 7,515.72 × 4,844.16
  4. Step 4: Simplify right side
    4,999.68x = 36,407,350.20
  5. Step 5: Solve for x
    x = 36,407,350.20/4,999.68
  6. Step 6: Final answer
    x = 7,281.94

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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.