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Finding the Fourth Proportional to 7,259.83, 10,891.16 and 2,580.05

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Solution

The fourth proportional to 7,259.83, 10,891.16 and 2,580.05 is: 3,870.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,259.83 : 10,891.16 = 2,580.05 : x
  2. Step 2: Convert to fraction form
    7,259.83/10,891.16 = 2,580.05/x
  3. Step 3: Cross multiply
    7,259.83x = 10,891.16 × 2,580.05
  4. Step 4: Simplify right side
    7,259.83x = 28,099,761.36
  5. Step 5: Solve for x
    x = 28,099,761.36/7,259.83
  6. Step 6: Final answer
    x = 3,870.58

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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.