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Finding the Fourth Proportional to 7,280.88, 10,918.54 and 2,600.01

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Solution

The fourth proportional to 7,280.88, 10,918.54 and 2,600.01 is: 3,899.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.88 : 10,918.54 = 2,600.01 : x
  2. Step 2: Convert to fraction form
    7,280.88/10,918.54 = 2,600.01/x
  3. Step 3: Cross multiply
    7,280.88x = 10,918.54 × 2,600.01
  4. Step 4: Simplify right side
    7,280.88x = 28,388,316.44
  5. Step 5: Solve for x
    x = 28,388,316.44/7,280.88
  6. Step 6: Final answer
    x = 3,899.02

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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.