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Finding the Fourth Proportional to 64,286.64, 88,700.31 and 37,413

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Solution

The fourth proportional to 64,286.64, 88,700.31 and 37,413 is: 51,621.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,286.64 : 88,700.31 = 37,413 : x
  2. Step 2: Convert to fraction form
    64,286.64/88,700.31 = 37,413/x
  3. Step 3: Cross multiply
    64,286.64x = 88,700.31 × 37,413
  4. Step 4: Simplify right side
    64,286.64x = 3,318,544,698.03
  5. Step 5: Solve for x
    x = 3,318,544,698.03/64,286.64
  6. Step 6: Final answer
    x = 51,621.06

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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.