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Finding the Fourth Proportional to 32,590.99, 48,921.06 and 28,866.96

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Solution

The fourth proportional to 32,590.99, 48,921.06 and 28,866.96 is: 43,331.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,590.99 : 48,921.06 = 28,866.96 : x
  2. Step 2: Convert to fraction form
    32,590.99/48,921.06 = 28,866.96/x
  3. Step 3: Cross multiply
    32,590.99x = 48,921.06 × 28,866.96
  4. Step 4: Simplify right side
    32,590.99x = 1,412,202,282.18
  5. Step 5: Solve for x
    x = 1,412,202,282.18/32,590.99
  6. Step 6: Final answer
    x = 43,331.06

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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.