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Finding the Fourth Proportional to 6,903.10, 9,528.42 and 6,550.39

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Solution

The fourth proportional to 6,903.10, 9,528.42 and 6,550.39 is: 9,041.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,903.10 : 9,528.42 = 6,550.39 : x
  2. Step 2: Convert to fraction form
    6,903.10/9,528.42 = 6,550.39/x
  3. Step 3: Cross multiply
    6,903.10x = 9,528.42 × 6,550.39
  4. Step 4: Simplify right side
    6,903.10x = 62,414,867.08
  5. Step 5: Solve for x
    x = 62,414,867.08/6,903.10
  6. Step 6: Final answer
    x = 9,041.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.