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Finding the Fourth Proportional to 64,591.03, 88,579.47 and 61,896.90

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Solution

The fourth proportional to 64,591.03, 88,579.47 and 61,896.90 is: 84,884.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,591.03 : 88,579.47 = 61,896.90 : x
  2. Step 2: Convert to fraction form
    64,591.03/88,579.47 = 61,896.90/x
  3. Step 3: Cross multiply
    64,591.03x = 88,579.47 × 61,896.90
  4. Step 4: Simplify right side
    64,591.03x = 5,482,794,596.64
  5. Step 5: Solve for x
    x = 5,482,794,596.64/64,591.03
  6. Step 6: Final answer
    x = 84,884.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.