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Finding the Fourth Proportional to 27,063.64, 37,347.81 and 15,885.64

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Solution

The fourth proportional to 27,063.64, 37,347.81 and 15,885.64 is: 21,922.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,063.64 : 37,347.81 = 15,885.64 : x
  2. Step 2: Convert to fraction form
    27,063.64/37,347.81 = 15,885.64/x
  3. Step 3: Cross multiply
    27,063.64x = 37,347.81 × 15,885.64
  4. Step 4: Simplify right side
    27,063.64x = 593,293,864.45
  5. Step 5: Solve for x
    x = 593,293,864.45/27,063.64
  6. Step 6: Final answer
    x = 21,922.18

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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.