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Finding the Fourth Proportional to 5,357.93, 7,393.82 and 3,000.11

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Solution

The fourth proportional to 5,357.93, 7,393.82 and 3,000.11 is: 4,140.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357.93 : 7,393.82 = 3,000.11 : x
  2. Step 2: Convert to fraction form
    5,357.93/7,393.82 = 3,000.11/x
  3. Step 3: Cross multiply
    5,357.93x = 7,393.82 × 3,000.11
  4. Step 4: Simplify right side
    5,357.93x = 22,182,221.35
  5. Step 5: Solve for x
    x = 22,182,221.35/5,357.93
  6. Step 6: Final answer
    x = 4,140.08

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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.