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Finding the Fourth Proportional to 64,311.47, 88,752.56 and 37,449.64

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Solution

The fourth proportional to 64,311.47, 88,752.56 and 37,449.64 is: 51,682.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,311.47 : 88,752.56 = 37,449.64 : x
  2. Step 2: Convert to fraction form
    64,311.47/88,752.56 = 37,449.64/x
  3. Step 3: Cross multiply
    64,311.47x = 88,752.56 × 37,449.64
  4. Step 4: Simplify right side
    64,311.47x = 3,323,751,555.43
  5. Step 5: Solve for x
    x = 3,323,751,555.43/64,311.47
  6. Step 6: Final answer
    x = 51,682.10

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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.