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Finding the Fourth Proportional to 7,995.04, 11,995.44 and 2,801.68

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Solution

The fourth proportional to 7,995.04, 11,995.44 and 2,801.68 is: 4,203.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,995.04 : 11,995.44 = 2,801.68 : x
  2. Step 2: Convert to fraction form
    7,995.04/11,995.44 = 2,801.68/x
  3. Step 3: Cross multiply
    7,995.04x = 11,995.44 × 2,801.68
  4. Step 4: Simplify right side
    7,995.04x = 33,607,384.34
  5. Step 5: Solve for x
    x = 33,607,384.34/7,995.04
  6. Step 6: Final answer
    x = 4,203.53

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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.