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Finding the Fourth Proportional to 7,608.63, 10,500.32 and 4,251.51

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Solution

The fourth proportional to 7,608.63, 10,500.32 and 4,251.51 is: 5,867.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,608.63 : 10,500.32 = 4,251.51 : x
  2. Step 2: Convert to fraction form
    7,608.63/10,500.32 = 4,251.51/x
  3. Step 3: Cross multiply
    7,608.63x = 10,500.32 × 4,251.51
  4. Step 4: Simplify right side
    7,608.63x = 44,642,194.23
  5. Step 5: Solve for x
    x = 44,642,194.23/7,608.63
  6. Step 6: Final answer
    x = 5,867.31

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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.