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Finding the Fourth Proportional to 48,354.03, 72,390.15 and 35,929.11

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Solution

The fourth proportional to 48,354.03, 72,390.15 and 35,929.11 is: 53,788.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,354.03 : 72,390.15 = 35,929.11 : x
  2. Step 2: Convert to fraction form
    48,354.03/72,390.15 = 35,929.11/x
  3. Step 3: Cross multiply
    48,354.03x = 72,390.15 × 35,929.11
  4. Step 4: Simplify right side
    48,354.03x = 2,600,913,662.27
  5. Step 5: Solve for x
    x = 2,600,913,662.27/48,354.03
  6. Step 6: Final answer
    x = 53,788.97

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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.