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Finding the Fourth Proportional to 27,484.84, 41,220.78 and 9,958.60

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Solution

The fourth proportional to 27,484.84, 41,220.78 and 9,958.60 is: 14,935.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,484.84 : 41,220.78 = 9,958.60 : x
  2. Step 2: Convert to fraction form
    27,484.84/41,220.78 = 9,958.60/x
  3. Step 3: Cross multiply
    27,484.84x = 41,220.78 × 9,958.60
  4. Step 4: Simplify right side
    27,484.84x = 410,501,259.71
  5. Step 5: Solve for x
    x = 410,501,259.71/27,484.84
  6. Step 6: Final answer
    x = 14,935.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.