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Finding the Fourth Proportional to 7,673.58, 11,510.60 and 2,126.97

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Solution

The fourth proportional to 7,673.58, 11,510.60 and 2,126.97 is: 3,190.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,673.58 : 11,510.60 = 2,126.97 : x
  2. Step 2: Convert to fraction form
    7,673.58/11,510.60 = 2,126.97/x
  3. Step 3: Cross multiply
    7,673.58x = 11,510.60 × 2,126.97
  4. Step 4: Simplify right side
    7,673.58x = 24,482,690.25
  5. Step 5: Solve for x
    x = 24,482,690.25/7,673.58
  6. Step 6: Final answer
    x = 3,190.52

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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.