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Finding the Fourth Proportional to 5,296.69, 7,342.92 and 5,015.82

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Solution

The fourth proportional to 5,296.69, 7,342.92 and 5,015.82 is: 6,953.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,296.69 : 7,342.92 = 5,015.82 : x
  2. Step 2: Convert to fraction form
    5,296.69/7,342.92 = 5,015.82/x
  3. Step 3: Cross multiply
    5,296.69x = 7,342.92 × 5,015.82
  4. Step 4: Simplify right side
    5,296.69x = 36,830,783.35
  5. Step 5: Solve for x
    x = 36,830,783.35/5,296.69
  6. Step 6: Final answer
    x = 6,953.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.