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Finding the Fourth Proportional to 22,002.66, 30,363.93 and 12,066.66

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Solution

The fourth proportional to 22,002.66, 30,363.93 and 12,066.66 is: 16,652.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,002.66 : 30,363.93 = 12,066.66 : x
  2. Step 2: Convert to fraction form
    22,002.66/30,363.93 = 12,066.66/x
  3. Step 3: Cross multiply
    22,002.66x = 30,363.93 × 12,066.66
  4. Step 4: Simplify right side
    22,002.66x = 366,391,219.57
  5. Step 5: Solve for x
    x = 366,391,219.57/22,002.66
  6. Step 6: Final answer
    x = 16,652.13

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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.