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Finding the Fourth Proportional to 64,272.40, 96,408.60 and 62,960.20

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Solution

The fourth proportional to 64,272.40, 96,408.60 and 62,960.20 is: 94,440.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,272.40 : 96,408.60 = 62,960.20 : x
  2. Step 2: Convert to fraction form
    64,272.40/96,408.60 = 62,960.20/x
  3. Step 3: Cross multiply
    64,272.40x = 96,408.60 × 62,960.20
  4. Step 4: Simplify right side
    64,272.40x = 6,069,904,737.72
  5. Step 5: Solve for x
    x = 6,069,904,737.72/64,272.40
  6. Step 6: Final answer
    x = 94,440.30

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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.