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Finding the Fourth Proportional to 30,417.53, 45,625.68 and 8,234.06

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Solution

The fourth proportional to 30,417.53, 45,625.68 and 8,234.06 is: 12,350.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,417.53 : 45,625.68 = 8,234.06 : x
  2. Step 2: Convert to fraction form
    30,417.53/45,625.68 = 8,234.06/x
  3. Step 3: Cross multiply
    30,417.53x = 45,625.68 × 8,234.06
  4. Step 4: Simplify right side
    30,417.53x = 375,684,358.53
  5. Step 5: Solve for x
    x = 375,684,358.53/30,417.53
  6. Step 6: Final answer
    x = 12,350.92

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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.