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Finding the Fourth Proportional to 27,154.44, 37,473.66 and 15,219

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Solution

The fourth proportional to 27,154.44, 37,473.66 and 15,219 is: 21,002.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,154.44 : 37,473.66 = 15,219 : x
  2. Step 2: Convert to fraction form
    27,154.44/37,473.66 = 15,219/x
  3. Step 3: Cross multiply
    27,154.44x = 37,473.66 × 15,219
  4. Step 4: Simplify right side
    27,154.44x = 570,311,631.54
  5. Step 5: Solve for x
    x = 570,311,631.54/27,154.44
  6. Step 6: Final answer
    x = 21,002.52

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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.