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Finding the Fourth Proportional to 34,668.57, 47,839.91 and 19,564.91

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Solution

The fourth proportional to 34,668.57, 47,839.91 and 19,564.91 is: 26,998.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,668.57 : 47,839.91 = 19,564.91 : x
  2. Step 2: Convert to fraction form
    34,668.57/47,839.91 = 19,564.91/x
  3. Step 3: Cross multiply
    34,668.57x = 47,839.91 × 19,564.91
  4. Step 4: Simplify right side
    34,668.57x = 935,983,196.53
  5. Step 5: Solve for x
    x = 935,983,196.53/34,668.57
  6. Step 6: Final answer
    x = 26,998.03

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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.