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Finding the Fourth Proportional to 65,337.40, 97,811.70 and 43,175.80

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Solution

The fourth proportional to 65,337.40, 97,811.70 and 43,175.80 is: 64,635.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,337.40 : 97,811.70 = 43,175.80 : x
  2. Step 2: Convert to fraction form
    65,337.40/97,811.70 = 43,175.80/x
  3. Step 3: Cross multiply
    65,337.40x = 97,811.70 × 43,175.80
  4. Step 4: Simplify right side
    65,337.40x = 4,223,098,396.86
  5. Step 5: Solve for x
    x = 4,223,098,396.86/65,337.40
  6. Step 6: Final answer
    x = 64,635.24

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1.5x scale

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.