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Finding the Fourth Proportional to 7,099.01, 10,641.73 and 2,655.47

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Solution

The fourth proportional to 7,099.01, 10,641.73 and 2,655.47 is: 3,980.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099.01 : 10,641.73 = 2,655.47 : x
  2. Step 2: Convert to fraction form
    7,099.01/10,641.73 = 2,655.47/x
  3. Step 3: Cross multiply
    7,099.01x = 10,641.73 × 2,655.47
  4. Step 4: Simplify right side
    7,099.01x = 28,258,734.92
  5. Step 5: Solve for x
    x = 28,258,734.92/7,099.01
  6. Step 6: Final answer
    x = 3,980.66

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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.