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Finding the Fourth Proportional to 27,048.13, 40,569.05 and 7,328.17

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Solution

The fourth proportional to 27,048.13, 40,569.05 and 7,328.17 is: 10,991.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,048.13 : 40,569.05 = 7,328.17 : x
  2. Step 2: Convert to fraction form
    27,048.13/40,569.05 = 7,328.17/x
  3. Step 3: Cross multiply
    27,048.13x = 40,569.05 × 7,328.17
  4. Step 4: Simplify right side
    27,048.13x = 297,296,964.17
  5. Step 5: Solve for x
    x = 297,296,964.17/27,048.13
  6. Step 6: Final answer
    x = 10,991.41

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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.