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Finding the Fourth Proportional to 7,118.88, 10,678.32 and 6,019.98

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Solution

The fourth proportional to 7,118.88, 10,678.32 and 6,019.98 is: 9,029.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118.88 : 10,678.32 = 6,019.98 : x
  2. Step 2: Convert to fraction form
    7,118.88/10,678.32 = 6,019.98/x
  3. Step 3: Cross multiply
    7,118.88x = 10,678.32 × 6,019.98
  4. Step 4: Simplify right side
    7,118.88x = 64,283,272.83
  5. Step 5: Solve for x
    x = 64,283,272.83/7,118.88
  6. Step 6: Final answer
    x = 9,029.97

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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.