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Finding the Fourth Proportional to 7,698.52, 10,623.81 and 4,341.28

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Solution

The fourth proportional to 7,698.52, 10,623.81 and 4,341.28 is: 5,990.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,698.52 : 10,623.81 = 4,341.28 : x
  2. Step 2: Convert to fraction form
    7,698.52/10,623.81 = 4,341.28/x
  3. Step 3: Cross multiply
    7,698.52x = 10,623.81 × 4,341.28
  4. Step 4: Simplify right side
    7,698.52x = 46,120,891.61
  5. Step 5: Solve for x
    x = 46,120,891.61/7,698.52
  6. Step 6: Final answer
    x = 5,990.88

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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.