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Finding the Fourth Proportional to 19,617.77, 27,071.74 and 10,665.08

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Solution

The fourth proportional to 19,617.77, 27,071.74 and 10,665.08 is: 14,717.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617.77 : 27,071.74 = 10,665.08 : x
  2. Step 2: Convert to fraction form
    19,617.77/27,071.74 = 10,665.08/x
  3. Step 3: Cross multiply
    19,617.77x = 27,071.74 × 10,665.08
  4. Step 4: Simplify right side
    19,617.77x = 288,722,272.84
  5. Step 5: Solve for x
    x = 288,722,272.84/19,617.77
  6. Step 6: Final answer
    x = 14,717.38

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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.