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Finding the Fourth Proportional to 30,098.96, 45,149.88 and 14,529.68

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Solution

The fourth proportional to 30,098.96, 45,149.88 and 14,529.68 is: 21,795.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,098.96 : 45,149.88 = 14,529.68 : x
  2. Step 2: Convert to fraction form
    30,098.96/45,149.88 = 14,529.68/x
  3. Step 3: Cross multiply
    30,098.96x = 45,149.88 × 14,529.68
  4. Step 4: Simplify right side
    30,098.96x = 656,013,308.44
  5. Step 5: Solve for x
    x = 656,013,308.44/30,098.96
  6. Step 6: Final answer
    x = 21,795.22

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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.