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Finding the Fourth Proportional to 27,522.95, 41,300.82 and 9,990.50

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Solution

The fourth proportional to 27,522.95, 41,300.82 and 9,990.50 is: 14,991.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,522.95 : 41,300.82 = 9,990.50 : x
  2. Step 2: Convert to fraction form
    27,522.95/41,300.82 = 9,990.50/x
  3. Step 3: Cross multiply
    27,522.95x = 41,300.82 × 9,990.50
  4. Step 4: Simplify right side
    27,522.95x = 412,615,635.71
  5. Step 5: Solve for x
    x = 412,615,635.71/27,522.95
  6. Step 6: Final answer
    x = 14,991.70

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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.