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Finding the Fourth Proportional to 3,334.42, 4,999.92 and 1,948.06

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Solution

The fourth proportional to 3,334.42, 4,999.92 and 1,948.06 is: 2,921.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,334.42 : 4,999.92 = 1,948.06 : x
  2. Step 2: Convert to fraction form
    3,334.42/4,999.92 = 1,948.06/x
  3. Step 3: Cross multiply
    3,334.42x = 4,999.92 × 1,948.06
  4. Step 4: Simplify right side
    3,334.42x = 9,740,144.16
  5. Step 5: Solve for x
    x = 9,740,144.16/3,334.42
  6. Step 6: Final answer
    x = 2,921.09

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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.