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Finding the Fourth Proportional to 7,967.52, 10,995.47 and 4,382.76

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Solution

The fourth proportional to 7,967.52, 10,995.47 and 4,382.76 is: 6,048.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,967.52 : 10,995.47 = 4,382.76 : x
  2. Step 2: Convert to fraction form
    7,967.52/10,995.47 = 4,382.76/x
  3. Step 3: Cross multiply
    7,967.52x = 10,995.47 × 4,382.76
  4. Step 4: Simplify right side
    7,967.52x = 48,190,484.18
  5. Step 5: Solve for x
    x = 48,190,484.18/7,967.52
  6. Step 6: Final answer
    x = 6,048.37

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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.