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Finding the Fourth Proportional to 43,792.88, 65,697.48 and 14,206.86

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Solution

The fourth proportional to 43,792.88, 65,697.48 and 14,206.86 is: 21,312.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,792.88 : 65,697.48 = 14,206.86 : x
  2. Step 2: Convert to fraction form
    43,792.88/65,697.48 = 14,206.86/x
  3. Step 3: Cross multiply
    43,792.88x = 65,697.48 × 14,206.86
  4. Step 4: Simplify right side
    43,792.88x = 933,354,900.71
  5. Step 5: Solve for x
    x = 933,354,900.71/43,792.88
  6. Step 6: Final answer
    x = 21,312.94

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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.