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Finding the Fourth Proportional to 22,534.95, 31,102.02 and 13,583.82

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Solution

The fourth proportional to 22,534.95, 31,102.02 and 13,583.82 is: 18,747.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,534.95 : 31,102.02 = 13,583.82 : x
  2. Step 2: Convert to fraction form
    22,534.95/31,102.02 = 13,583.82/x
  3. Step 3: Cross multiply
    22,534.95x = 31,102.02 × 13,583.82
  4. Step 4: Simplify right side
    22,534.95x = 422,484,241.32
  5. Step 5: Solve for x
    x = 422,484,241.32/22,534.95
  6. Step 6: Final answer
    x = 18,747.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.