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Finding the Fourth Proportional to 7,608.86, 10,500.10 and 4,251.72

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Solution

The fourth proportional to 7,608.86, 10,500.10 and 4,251.72 is: 5,867.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,608.86 : 10,500.10 = 4,251.72 : x
  2. Step 2: Convert to fraction form
    7,608.86/10,500.10 = 4,251.72/x
  3. Step 3: Cross multiply
    7,608.86x = 10,500.10 × 4,251.72
  4. Step 4: Simplify right side
    7,608.86x = 44,643,485.17
  5. Step 5: Solve for x
    x = 44,643,485.17/7,608.86
  6. Step 6: Final answer
    x = 5,867.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.