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Finding the Fourth Proportional to 4,622.42, 6,929.04 and 3,995.30

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Solution

The fourth proportional to 4,622.42, 6,929.04 and 3,995.30 is: 5,988.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,622.42 : 6,929.04 = 3,995.30 : x
  2. Step 2: Convert to fraction form
    4,622.42/6,929.04 = 3,995.30/x
  3. Step 3: Cross multiply
    4,622.42x = 6,929.04 × 3,995.30
  4. Step 4: Simplify right side
    4,622.42x = 27,683,593.51
  5. Step 5: Solve for x
    x = 27,683,593.51/4,622.42
  6. Step 6: Final answer
    x = 5,988.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.