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Finding the Fourth Proportional to 44,368.68, 66,582.90 and 18,078.15

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Solution

The fourth proportional to 44,368.68, 66,582.90 and 18,078.15 is: 27,129.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,368.68 : 66,582.90 = 18,078.15 : x
  2. Step 2: Convert to fraction form
    44,368.68/66,582.90 = 18,078.15/x
  3. Step 3: Cross multiply
    44,368.68x = 66,582.90 × 18,078.15
  4. Step 4: Simplify right side
    44,368.68x = 1,203,695,653.64
  5. Step 5: Solve for x
    x = 1,203,695,653.64/44,368.68
  6. Step 6: Final answer
    x = 27,129.40

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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.