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Finding the Fourth Proportional to 32,783.72, 45,240.18 and 17,879.72

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Solution

The fourth proportional to 32,783.72, 45,240.18 and 17,879.72 is: 24,673.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,783.72 : 45,240.18 = 17,879.72 : x
  2. Step 2: Convert to fraction form
    32,783.72/45,240.18 = 17,879.72/x
  3. Step 3: Cross multiply
    32,783.72x = 45,240.18 × 17,879.72
  4. Step 4: Simplify right side
    32,783.72x = 808,881,751.15
  5. Step 5: Solve for x
    x = 808,881,751.15/32,783.72
  6. Step 6: Final answer
    x = 24,673.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.