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Finding the Fourth Proportional to 27,411.50, 41,123.75 and 8,943.50

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Solution

The fourth proportional to 27,411.50, 41,123.75 and 8,943.50 is: 13,417.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,411.50 : 41,123.75 = 8,943.50 : x
  2. Step 2: Convert to fraction form
    27,411.50/41,123.75 = 8,943.50/x
  3. Step 3: Cross multiply
    27,411.50x = 41,123.75 × 8,943.50
  4. Step 4: Simplify right side
    27,411.50x = 367,790,258.13
  5. Step 5: Solve for x
    x = 367,790,258.13/27,411.50
  6. Step 6: Final answer
    x = 13,417.37

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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.