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Finding the Fourth Proportional to 25,969.99, 38,926.91 and 10,370.47

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Solution

The fourth proportional to 25,969.99, 38,926.91 and 10,370.47 is: 15,544.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,969.99 : 38,926.91 = 10,370.47 : x
  2. Step 2: Convert to fraction form
    25,969.99/38,926.91 = 10,370.47/x
  3. Step 3: Cross multiply
    25,969.99x = 38,926.91 × 10,370.47
  4. Step 4: Simplify right side
    25,969.99x = 403,690,300.50
  5. Step 5: Solve for x
    x = 403,690,300.50/25,969.99
  6. Step 6: Final answer
    x = 15,544.49

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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.