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Finding the Fourth Proportional to 6,571.88, 9,068.10 and 4,213.52

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Solution

The fourth proportional to 6,571.88, 9,068.10 and 4,213.52 is: 5,813.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,571.88 : 9,068.10 = 4,213.52 : x
  2. Step 2: Convert to fraction form
    6,571.88/9,068.10 = 4,213.52/x
  3. Step 3: Cross multiply
    6,571.88x = 9,068.10 × 4,213.52
  4. Step 4: Simplify right side
    6,571.88x = 38,208,620.71
  5. Step 5: Solve for x
    x = 38,208,620.71/6,571.88
  6. Step 6: Final answer
    x = 5,813.96

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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.