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Finding the Fourth Proportional to 44,380.80, 66,582.48 and 13,216.32

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Solution

The fourth proportional to 44,380.80, 66,582.48 and 13,216.32 is: 19,827.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,380.80 : 66,582.48 = 13,216.32 : x
  2. Step 2: Convert to fraction form
    44,380.80/66,582.48 = 13,216.32/x
  3. Step 3: Cross multiply
    44,380.80x = 66,582.48 × 13,216.32
  4. Step 4: Simplify right side
    44,380.80x = 879,975,362.07
  5. Step 5: Solve for x
    x = 879,975,362.07/44,380.80
  6. Step 6: Final answer
    x = 19,827.84

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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.