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Finding the Fourth Proportional to 22,146.95, 30,539.60 and 14,583.60

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Solution

The fourth proportional to 22,146.95, 30,539.60 and 14,583.60 is: 20,110.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,146.95 : 30,539.60 = 14,583.60 : x
  2. Step 2: Convert to fraction form
    22,146.95/30,539.60 = 14,583.60/x
  3. Step 3: Cross multiply
    22,146.95x = 30,539.60 × 14,583.60
  4. Step 4: Simplify right side
    22,146.95x = 445,377,237.64
  5. Step 5: Solve for x
    x = 445,377,237.64/22,146.95
  6. Step 6: Final answer
    x = 20,110.10

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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.