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Finding the Fourth Proportional to 27,705.17, 41,530.04 and 9,930.99

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Solution

The fourth proportional to 27,705.17, 41,530.04 and 9,930.99 is: 14,886.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,705.17 : 41,530.04 = 9,930.99 : x
  2. Step 2: Convert to fraction form
    27,705.17/41,530.04 = 9,930.99/x
  3. Step 3: Cross multiply
    27,705.17x = 41,530.04 × 9,930.99
  4. Step 4: Simplify right side
    27,705.17x = 412,434,362.28
  5. Step 5: Solve for x
    x = 412,434,362.28/27,705.17
  6. Step 6: Final answer
    x = 14,886.55

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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.