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Finding the Fourth Proportional to 64,216.70, 96,325.05 and 57,671.90

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Solution

The fourth proportional to 64,216.70, 96,325.05 and 57,671.90 is: 86,507.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,216.70 : 96,325.05 = 57,671.90 : x
  2. Step 2: Convert to fraction form
    64,216.70/96,325.05 = 57,671.90/x
  3. Step 3: Cross multiply
    64,216.70x = 96,325.05 × 57,671.90
  4. Step 4: Simplify right side
    64,216.70x = 5,555,248,651.10
  5. Step 5: Solve for x
    x = 5,555,248,651.10/64,216.70
  6. Step 6: Final answer
    x = 86,507.85

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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.