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Finding the Fourth Proportional to 25,066.58, 37,604.20 and 8,428.20

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Solution

The fourth proportional to 25,066.58, 37,604.20 and 8,428.20 is: 12,643.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,066.58 : 37,604.20 = 8,428.20 : x
  2. Step 2: Convert to fraction form
    25,066.58/37,604.20 = 8,428.20/x
  3. Step 3: Cross multiply
    25,066.58x = 37,604.20 × 8,428.20
  4. Step 4: Simplify right side
    25,066.58x = 316,935,718.44
  5. Step 5: Solve for x
    x = 316,935,718.44/25,066.58
  6. Step 6: Final answer
    x = 12,643.76

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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.