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Finding the Fourth Proportional to 6,995.84, 9,655.13 and 4,011.62

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Solution

The fourth proportional to 6,995.84, 9,655.13 and 4,011.62 is: 5,536.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,995.84 : 9,655.13 = 4,011.62 : x
  2. Step 2: Convert to fraction form
    6,995.84/9,655.13 = 4,011.62/x
  3. Step 3: Cross multiply
    6,995.84x = 9,655.13 × 4,011.62
  4. Step 4: Simplify right side
    6,995.84x = 38,732,644.28
  5. Step 5: Solve for x
    x = 38,732,644.28/6,995.84
  6. Step 6: Final answer
    x = 5,536.53

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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.