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Finding the Fourth Proportional to 25,992.66, 38,988.99 and 6,271.20

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Solution

The fourth proportional to 25,992.66, 38,988.99 and 6,271.20 is: 9,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,992.66 : 38,988.99 = 6,271.20 : x
  2. Step 2: Convert to fraction form
    25,992.66/38,988.99 = 6,271.20/x
  3. Step 3: Cross multiply
    25,992.66x = 38,988.99 × 6,271.20
  4. Step 4: Simplify right side
    25,992.66x = 244,507,754.09
  5. Step 5: Solve for x
    x = 244,507,754.09/25,992.66
  6. Step 6: Final answer
    x = 9,406.80

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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.