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Finding the Fourth Proportional to 32,553.30, 48,829.95 and 19,431.30

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Solution

The fourth proportional to 32,553.30, 48,829.95 and 19,431.30 is: 29,146.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,553.30 : 48,829.95 = 19,431.30 : x
  2. Step 2: Convert to fraction form
    32,553.30/48,829.95 = 19,431.30/x
  3. Step 3: Cross multiply
    32,553.30x = 48,829.95 × 19,431.30
  4. Step 4: Simplify right side
    32,553.30x = 948,829,407.44
  5. Step 5: Solve for x
    x = 948,829,407.44/32,553.30
  6. Step 6: Final answer
    x = 29,146.95

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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.