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Finding the Fourth Proportional to 25,700.22, 38,548.94 and 8,168.68

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Solution

The fourth proportional to 25,700.22, 38,548.94 and 8,168.68 is: 12,252.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,700.22 : 38,548.94 = 8,168.68 : x
  2. Step 2: Convert to fraction form
    25,700.22/38,548.94 = 8,168.68/x
  3. Step 3: Cross multiply
    25,700.22x = 38,548.94 × 8,168.68
  4. Step 4: Simplify right side
    25,700.22x = 314,893,955.20
  5. Step 5: Solve for x
    x = 314,893,955.20/25,700.22
  6. Step 6: Final answer
    x = 12,252.58

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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.