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Finding the Fourth Proportional to 25,668.99, 35,390.95 and 19,626.65

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Solution

The fourth proportional to 25,668.99, 35,390.95 and 19,626.65 is: 27,060.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,668.99 : 35,390.95 = 19,626.65 : x
  2. Step 2: Convert to fraction form
    25,668.99/35,390.95 = 19,626.65/x
  3. Step 3: Cross multiply
    25,668.99x = 35,390.95 × 19,626.65
  4. Step 4: Simplify right side
    25,668.99x = 694,605,562.80
  5. Step 5: Solve for x
    x = 694,605,562.80/25,668.99
  6. Step 6: Final answer
    x = 27,060.10

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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.