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Finding the Fourth Proportional to 5,357.25, 7,393.05 and 3,000.06

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Solution

The fourth proportional to 5,357.25, 7,393.05 and 3,000.06 is: 4,140.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357.25 : 7,393.05 = 3,000.06 : x
  2. Step 2: Convert to fraction form
    5,357.25/7,393.05 = 3,000.06/x
  3. Step 3: Cross multiply
    5,357.25x = 7,393.05 × 3,000.06
  4. Step 4: Simplify right side
    5,357.25x = 22,179,593.58
  5. Step 5: Solve for x
    x = 22,179,593.58/5,357.25
  6. Step 6: Final answer
    x = 4,140.11

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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.