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Finding the Fourth Proportional to 44,501.60, 66,751.04 and 11,221.84

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Solution

The fourth proportional to 44,501.60, 66,751.04 and 11,221.84 is: 16,832.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,501.60 : 66,751.04 = 11,221.84 : x
  2. Step 2: Convert to fraction form
    44,501.60/66,751.04 = 11,221.84/x
  3. Step 3: Cross multiply
    44,501.60x = 66,751.04 × 11,221.84
  4. Step 4: Simplify right side
    44,501.60x = 749,069,490.71
  5. Step 5: Solve for x
    x = 749,069,490.71/44,501.60
  6. Step 6: Final answer
    x = 16,832.42

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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.