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Finding the Fourth Proportional to 64,137.20, 88,509.08 and 35,842.88

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Solution

The fourth proportional to 64,137.20, 88,509.08 and 35,842.88 is: 49,463.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,137.20 : 88,509.08 = 35,842.88 : x
  2. Step 2: Convert to fraction form
    64,137.20/88,509.08 = 35,842.88/x
  3. Step 3: Cross multiply
    64,137.20x = 88,509.08 × 35,842.88
  4. Step 4: Simplify right side
    64,137.20x = 3,172,420,333.35
  5. Step 5: Solve for x
    x = 3,172,420,333.35/64,137.20
  6. Step 6: Final answer
    x = 49,463.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.