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Finding the Fourth Proportional to 9,066.80, 12,512.32 and 5,088.80

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Solution

The fourth proportional to 9,066.80, 12,512.32 and 5,088.80 is: 7,022.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,066.80 : 12,512.32 = 5,088.80 : x
  2. Step 2: Convert to fraction form
    9,066.80/12,512.32 = 5,088.80/x
  3. Step 3: Cross multiply
    9,066.80x = 12,512.32 × 5,088.80
  4. Step 4: Simplify right side
    9,066.80x = 63,672,694.02
  5. Step 5: Solve for x
    x = 63,672,694.02/9,066.80
  6. Step 6: Final answer
    x = 7,022.62

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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.