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Finding the Fourth Proportional to 22,172.70, 30,598.92 and 12,101.16

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Solution

The fourth proportional to 22,172.70, 30,598.92 and 12,101.16 is: 16,699.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,172.70 : 30,598.92 = 12,101.16 : x
  2. Step 2: Convert to fraction form
    22,172.70/30,598.92 = 12,101.16/x
  3. Step 3: Cross multiply
    22,172.70x = 30,598.92 × 12,101.16
  4. Step 4: Simplify right side
    22,172.70x = 370,282,426.75
  5. Step 5: Solve for x
    x = 370,282,426.75/22,172.70
  6. Step 6: Final answer
    x = 16,699.92

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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.