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Finding the Fourth Proportional to 6,903.53, 10,288.69 and 6,892.55

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Solution

The fourth proportional to 6,903.53, 10,288.69 and 6,892.55 is: 10,272.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,903.53 : 10,288.69 = 6,892.55 : x
  2. Step 2: Convert to fraction form
    6,903.53/10,288.69 = 6,892.55/x
  3. Step 3: Cross multiply
    6,903.53x = 10,288.69 × 6,892.55
  4. Step 4: Simplify right side
    6,903.53x = 70,915,275.80
  5. Step 5: Solve for x
    x = 70,915,275.80/6,903.53
  6. Step 6: Final answer
    x = 10,272.32

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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.