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Finding the Fourth Proportional to 39,798.60, 59,645.16 and 29,219.16

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Solution

The fourth proportional to 39,798.60, 59,645.16 and 29,219.16 is: 43,790.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,798.60 : 59,645.16 = 29,219.16 : x
  2. Step 2: Convert to fraction form
    39,798.60/59,645.16 = 29,219.16/x
  3. Step 3: Cross multiply
    39,798.60x = 59,645.16 × 29,219.16
  4. Step 4: Simplify right side
    39,798.60x = 1,742,781,473.27
  5. Step 5: Solve for x
    x = 1,742,781,473.27/39,798.60
  6. Step 6: Final answer
    x = 43,790.02

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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.