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Finding the Fourth Proportional to 64,129.32, 88,500.42 and 35,836.20

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Solution

The fourth proportional to 64,129.32, 88,500.42 and 35,836.20 is: 49,455.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,129.32 : 88,500.42 = 35,836.20 : x
  2. Step 2: Convert to fraction form
    64,129.32/88,500.42 = 35,836.20/x
  3. Step 3: Cross multiply
    64,129.32x = 88,500.42 × 35,836.20
  4. Step 4: Simplify right side
    64,129.32x = 3,171,518,751.20
  5. Step 5: Solve for x
    x = 3,171,518,751.20/64,129.32
  6. Step 6: Final answer
    x = 49,455.05

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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.