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Finding the Fourth Proportional to 64,951.10, 97,406.40 and 25,520.30

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Solution

The fourth proportional to 64,951.10, 97,406.40 and 25,520.30 is: 38,272.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,951.10 : 97,406.40 = 25,520.30 : x
  2. Step 2: Convert to fraction form
    64,951.10/97,406.40 = 25,520.30/x
  3. Step 3: Cross multiply
    64,951.10x = 97,406.40 × 25,520.30
  4. Step 4: Simplify right side
    64,951.10x = 2,485,840,549.92
  5. Step 5: Solve for x
    x = 2,485,840,549.92/64,951.10
  6. Step 6: Final answer
    x = 38,272.49

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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.