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Finding the Fourth Proportional to 43,565.90, 65,373.72 and 36,258.86

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Solution

The fourth proportional to 43,565.90, 65,373.72 and 36,258.86 is: 54,408.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,565.90 : 65,373.72 = 36,258.86 : x
  2. Step 2: Convert to fraction form
    43,565.90/65,373.72 = 36,258.86/x
  3. Step 3: Cross multiply
    43,565.90x = 65,373.72 × 36,258.86
  4. Step 4: Simplify right side
    43,565.90x = 2,370,376,561.16
  5. Step 5: Solve for x
    x = 2,370,376,561.16/43,565.90
  6. Step 6: Final answer
    x = 54,408.99

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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.