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Finding the Fourth Proportional to 19,597.21, 27,044.51 and 11,101.10

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Solution

The fourth proportional to 19,597.21, 27,044.51 and 11,101.10 is: 15,319.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,597.21 : 27,044.51 = 11,101.10 : x
  2. Step 2: Convert to fraction form
    19,597.21/27,044.51 = 11,101.10/x
  3. Step 3: Cross multiply
    19,597.21x = 27,044.51 × 11,101.10
  4. Step 4: Simplify right side
    19,597.21x = 300,223,619.23
  5. Step 5: Solve for x
    x = 300,223,619.23/19,597.21
  6. Step 6: Final answer
    x = 15,319.71

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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.