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Finding the Fourth Proportional to 8,356.64, 11,532.11 and 4,579.79

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Solution

The fourth proportional to 8,356.64, 11,532.11 and 4,579.79 is: 6,320.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.64 : 11,532.11 = 4,579.79 : x
  2. Step 2: Convert to fraction form
    8,356.64/11,532.11 = 4,579.79/x
  3. Step 3: Cross multiply
    8,356.64x = 11,532.11 × 4,579.79
  4. Step 4: Simplify right side
    8,356.64x = 52,814,561.50
  5. Step 5: Solve for x
    x = 52,814,561.50/8,356.64
  6. Step 6: Final answer
    x = 6,320.08

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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.