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Finding the Fourth Proportional to 71,086.24, 106,530.88 and 26,668.24

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Solution

The fourth proportional to 71,086.24, 106,530.88 and 26,668.24 is: 39,965.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,086.24 : 106,530.88 = 26,668.24 : x
  2. Step 2: Convert to fraction form
    71,086.24/106,530.88 = 26,668.24/x
  3. Step 3: Cross multiply
    71,086.24x = 106,530.88 × 26,668.24
  4. Step 4: Simplify right side
    71,086.24x = 2,840,991,075.25
  5. Step 5: Solve for x
    x = 2,840,991,075.25/71,086.24
  6. Step 6: Final answer
    x = 39,965.41

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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.