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Finding the Fourth Proportional to 16,640.66, 22,964.16 and 9,087.06

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Solution

The fourth proportional to 16,640.66, 22,964.16 and 9,087.06 is: 12,540.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,640.66 : 22,964.16 = 9,087.06 : x
  2. Step 2: Convert to fraction form
    16,640.66/22,964.16 = 9,087.06/x
  3. Step 3: Cross multiply
    16,640.66x = 22,964.16 × 9,087.06
  4. Step 4: Simplify right side
    16,640.66x = 208,676,539.51
  5. Step 5: Solve for x
    x = 208,676,539.51/16,640.66
  6. Step 6: Final answer
    x = 12,540.16

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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.