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Finding the Fourth Proportional to 22,655.52, 33,985.44 and 8,606.88

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Solution

The fourth proportional to 22,655.52, 33,985.44 and 8,606.88 is: 12,911.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,655.52 : 33,985.44 = 8,606.88 : x
  2. Step 2: Convert to fraction form
    22,655.52/33,985.44 = 8,606.88/x
  3. Step 3: Cross multiply
    22,655.52x = 33,985.44 × 8,606.88
  4. Step 4: Simplify right side
    22,655.52x = 292,508,603.83
  5. Step 5: Solve for x
    x = 292,508,603.83/22,655.52
  6. Step 6: Final answer
    x = 12,911.14

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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.