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Finding the Fourth Proportional to 30,522.58, 45,776.69 and 8,330.68

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Solution

The fourth proportional to 30,522.58, 45,776.69 and 8,330.68 is: 12,494.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,522.58 : 45,776.69 = 8,330.68 : x
  2. Step 2: Convert to fraction form
    30,522.58/45,776.69 = 8,330.68/x
  3. Step 3: Cross multiply
    30,522.58x = 45,776.69 × 8,330.68
  4. Step 4: Simplify right side
    30,522.58x = 381,350,955.85
  5. Step 5: Solve for x
    x = 381,350,955.85/30,522.58
  6. Step 6: Final answer
    x = 12,494.06

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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.