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Finding the Fourth Proportional to 35,583.74, 49,105.57 and 19,668.19

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Solution

The fourth proportional to 35,583.74, 49,105.57 and 19,668.19 is: 27,142.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,583.74 : 49,105.57 = 19,668.19 : x
  2. Step 2: Convert to fraction form
    35,583.74/49,105.57 = 19,668.19/x
  3. Step 3: Cross multiply
    35,583.74x = 49,105.57 × 19,668.19
  4. Step 4: Simplify right side
    35,583.74x = 965,817,680.82
  5. Step 5: Solve for x
    x = 965,817,680.82/35,583.74
  6. Step 6: Final answer
    x = 27,142.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.