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Finding the Fourth Proportional to 27,149.44, 37,464.08 and 15,210.08

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Solution

The fourth proportional to 27,149.44, 37,464.08 and 15,210.08 is: 20,988.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,149.44 : 37,464.08 = 15,210.08 : x
  2. Step 2: Convert to fraction form
    27,149.44/37,464.08 = 15,210.08/x
  3. Step 3: Cross multiply
    27,149.44x = 37,464.08 × 15,210.08
  4. Step 4: Simplify right side
    27,149.44x = 569,831,653.93
  5. Step 5: Solve for x
    x = 569,831,653.93/27,149.44
  6. Step 6: Final answer
    x = 20,988.71

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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.