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Finding the Fourth Proportional to 25,668.48, 35,422.11 and 14,338.16

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Solution

The fourth proportional to 25,668.48, 35,422.11 and 14,338.16 is: 19,786.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,668.48 : 35,422.11 = 14,338.16 : x
  2. Step 2: Convert to fraction form
    25,668.48/35,422.11 = 14,338.16/x
  3. Step 3: Cross multiply
    25,668.48x = 35,422.11 × 14,338.16
  4. Step 4: Simplify right side
    25,668.48x = 507,887,880.72
  5. Step 5: Solve for x
    x = 507,887,880.72/25,668.48
  6. Step 6: Final answer
    x = 19,786.44

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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.