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Finding the Fourth Proportional to 32,898.60, 49,355.16 and 15,358.86

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Solution

The fourth proportional to 32,898.60, 49,355.16 and 15,358.86 is: 23,041.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,898.60 : 49,355.16 = 15,358.86 : x
  2. Step 2: Convert to fraction form
    32,898.60/49,355.16 = 15,358.86/x
  3. Step 3: Cross multiply
    32,898.60x = 49,355.16 × 15,358.86
  4. Step 4: Simplify right side
    32,898.60x = 758,038,992.72
  5. Step 5: Solve for x
    x = 758,038,992.72/32,898.60
  6. Step 6: Final answer
    x = 23,041.68

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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.