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Finding the Fourth Proportional to 30,248.44, 45,372.66 and 14,405.44

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Solution

The fourth proportional to 30,248.44, 45,372.66 and 14,405.44 is: 21,608.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,248.44 : 45,372.66 = 14,405.44 : x
  2. Step 2: Convert to fraction form
    30,248.44/45,372.66 = 14,405.44/x
  3. Step 3: Cross multiply
    30,248.44x = 45,372.66 × 14,405.44
  4. Step 4: Simplify right side
    30,248.44x = 653,613,195.59
  5. Step 5: Solve for x
    x = 653,613,195.59/30,248.44
  6. Step 6: Final answer
    x = 21,608.16

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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.