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Finding the Fourth Proportional to 12,054.92, 16,637.36 and 7,019.22

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Solution

The fourth proportional to 12,054.92, 16,637.36 and 7,019.22 is: 9,687.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,054.92 : 16,637.36 = 7,019.22 : x
  2. Step 2: Convert to fraction form
    12,054.92/16,637.36 = 7,019.22/x
  3. Step 3: Cross multiply
    12,054.92x = 16,637.36 × 7,019.22
  4. Step 4: Simplify right side
    12,054.92x = 116,781,290.06
  5. Step 5: Solve for x
    x = 116,781,290.06/12,054.92
  6. Step 6: Final answer
    x = 9,687.44

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Double scale
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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.