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Finding the Fourth Proportional to 22,185, 33,278.58 and 6,602.76

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Solution

The fourth proportional to 22,185, 33,278.58 and 6,602.76 is: 9,904.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,185 : 33,278.58 = 6,602.76 : x
  2. Step 2: Convert to fraction form
    22,185/33,278.58 = 6,602.76/x
  3. Step 3: Cross multiply
    22,185x = 33,278.58 × 6,602.76
  4. Step 4: Simplify right side
    22,185x = 219,730,476.88
  5. Step 5: Solve for x
    x = 219,730,476.88/22,185
  6. Step 6: Final answer
    x = 9,904.46

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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.