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Finding the Fourth Proportional to 21,995.82, 32,995.08 and 8,848.17

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Solution

The fourth proportional to 21,995.82, 32,995.08 and 8,848.17 is: 13,272.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,995.82 : 32,995.08 = 8,848.17 : x
  2. Step 2: Convert to fraction form
    21,995.82/32,995.08 = 8,848.17/x
  3. Step 3: Cross multiply
    21,995.82x = 32,995.08 × 8,848.17
  4. Step 4: Simplify right side
    21,995.82x = 291,946,077.00
  5. Step 5: Solve for x
    x = 291,946,077.00/21,995.82
  6. Step 6: Final answer
    x = 13,272.80

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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.