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Finding the Fourth Proportional to 7,041.65, 10,521.11 and 6,796.35

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Solution

The fourth proportional to 7,041.65, 10,521.11 and 6,796.35 is: 10,154.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,041.65 : 10,521.11 = 6,796.35 : x
  2. Step 2: Convert to fraction form
    7,041.65/10,521.11 = 6,796.35/x
  3. Step 3: Cross multiply
    7,041.65x = 10,521.11 × 6,796.35
  4. Step 4: Simplify right side
    7,041.65x = 71,505,162.94
  5. Step 5: Solve for x
    x = 71,505,162.94/7,041.65
  6. Step 6: Final answer
    x = 10,154.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.