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Finding the Fourth Proportional to 32,308.80, 48,388.68 and 28,038.48

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Solution

The fourth proportional to 32,308.80, 48,388.68 and 28,038.48 is: 41,993.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,308.80 : 48,388.68 = 28,038.48 : x
  2. Step 2: Convert to fraction form
    32,308.80/48,388.68 = 28,038.48/x
  3. Step 3: Cross multiply
    32,308.80x = 48,388.68 × 28,038.48
  4. Step 4: Simplify right side
    32,308.80x = 1,356,745,036.41
  5. Step 5: Solve for x
    x = 1,356,745,036.41/32,308.80
  6. Step 6: Final answer
    x = 41,993.05

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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.