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Finding the Fourth Proportional to 65,023.53, 89,736.12 and 38,173.83

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Solution

The fourth proportional to 65,023.53, 89,736.12 and 38,173.83 is: 52,682.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,023.53 : 89,736.12 = 38,173.83 : x
  2. Step 2: Convert to fraction form
    65,023.53/89,736.12 = 38,173.83/x
  3. Step 3: Cross multiply
    65,023.53x = 89,736.12 × 38,173.83
  4. Step 4: Simplify right side
    65,023.53x = 3,425,571,389.74
  5. Step 5: Solve for x
    x = 3,425,571,389.74/65,023.53
  6. Step 6: Final answer
    x = 52,682.03

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1.5x scale

Why These Related Problems?

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