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Finding the Fourth Proportional to 6,903.03, 10,287.94 and 6,892.05

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Solution

The fourth proportional to 6,903.03, 10,287.94 and 6,892.05 is: 10,271.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,903.03 : 10,287.94 = 6,892.05 : x
  2. Step 2: Convert to fraction form
    6,903.03/10,287.94 = 6,892.05/x
  3. Step 3: Cross multiply
    6,903.03x = 10,287.94 × 6,892.05
  4. Step 4: Simplify right side
    6,903.03x = 70,904,979.65
  5. Step 5: Solve for x
    x = 70,904,979.65/6,903.03
  6. Step 6: Final answer
    x = 10,271.57

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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.