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Finding the Fourth Proportional to 27,062.64, 37,346.43 and 15,884.64

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Solution

The fourth proportional to 27,062.64, 37,346.43 and 15,884.64 is: 21,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,062.64 : 37,346.43 = 15,884.64 : x
  2. Step 2: Convert to fraction form
    27,062.64/37,346.43 = 15,884.64/x
  3. Step 3: Cross multiply
    27,062.64x = 37,346.43 × 15,884.64
  4. Step 4: Simplify right side
    27,062.64x = 593,234,595.84
  5. Step 5: Solve for x
    x = 593,234,595.84/27,062.64
  6. Step 6: Final answer
    x = 21,920.80

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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.