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Finding the Fourth Proportional to 48,533.00, 72,799.90 and 13,475.39

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Solution

The fourth proportional to 48,533.00, 72,799.90 and 13,475.39 is: 20,213.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,533.00 : 72,799.90 = 13,475.39 : x
  2. Step 2: Convert to fraction form
    48,533.00/72,799.90 = 13,475.39/x
  3. Step 3: Cross multiply
    48,533.00x = 72,799.90 × 13,475.39
  4. Step 4: Simplify right side
    48,533.00x = 981,006,646.77
  5. Step 5: Solve for x
    x = 981,006,646.77/48,533.00
  6. Step 6: Final answer
    x = 20,213.19

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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.