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Finding the Fourth Proportional to 32,430.70, 48,650.03 and 11,086.93

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Solution

The fourth proportional to 32,430.70, 48,650.03 and 11,086.93 is: 16,631.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,430.70 : 48,650.03 = 11,086.93 : x
  2. Step 2: Convert to fraction form
    32,430.70/48,650.03 = 11,086.93/x
  3. Step 3: Cross multiply
    32,430.70x = 48,650.03 × 11,086.93
  4. Step 4: Simplify right side
    32,430.70x = 539,379,477.11
  5. Step 5: Solve for x
    x = 539,379,477.11/32,430.70
  6. Step 6: Final answer
    x = 16,631.76

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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.