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Finding the Fourth Proportional to 64,376.40, 96,370.20 and 56,600.40

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Solution

The fourth proportional to 64,376.40, 96,370.20 and 56,600.40 is: 84,729.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,376.40 : 96,370.20 = 56,600.40 : x
  2. Step 2: Convert to fraction form
    64,376.40/96,370.20 = 56,600.40/x
  3. Step 3: Cross multiply
    64,376.40x = 96,370.20 × 56,600.40
  4. Step 4: Simplify right side
    64,376.40x = 5,454,591,868.08
  5. Step 5: Solve for x
    x = 5,454,591,868.08/64,376.40
  6. Step 6: Final answer
    x = 84,729.68

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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.