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Finding the Fourth Proportional to 6,434.28, 9,579.69 and 6,356.52

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Solution

The fourth proportional to 6,434.28, 9,579.69 and 6,356.52 is: 9,463.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,434.28 : 9,579.69 = 6,356.52 : x
  2. Step 2: Convert to fraction form
    6,434.28/9,579.69 = 6,356.52/x
  3. Step 3: Cross multiply
    6,434.28x = 9,579.69 × 6,356.52
  4. Step 4: Simplify right side
    6,434.28x = 60,893,491.08
  5. Step 5: Solve for x
    x = 60,893,491.08/6,434.28
  6. Step 6: Final answer
    x = 9,463.92

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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.