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Finding the Fourth Proportional to 9,713.74, 14,578.23 and 6,772.90

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Solution

The fourth proportional to 9,713.74, 14,578.23 and 6,772.90 is: 10,164.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,713.74 : 14,578.23 = 6,772.90 : x
  2. Step 2: Convert to fraction form
    9,713.74/14,578.23 = 6,772.90/x
  3. Step 3: Cross multiply
    9,713.74x = 14,578.23 × 6,772.90
  4. Step 4: Simplify right side
    9,713.74x = 98,736,893.97
  5. Step 5: Solve for x
    x = 98,736,893.97/9,713.74
  6. Step 6: Final answer
    x = 10,164.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.