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Finding the Fourth Proportional to 45,639.97, 68,359.82 and 37,652.64

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Solution

The fourth proportional to 45,639.97, 68,359.82 and 37,652.64 is: 56,396.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,639.97 : 68,359.82 = 37,652.64 : x
  2. Step 2: Convert to fraction form
    45,639.97/68,359.82 = 37,652.64/x
  3. Step 3: Cross multiply
    45,639.97x = 68,359.82 × 37,652.64
  4. Step 4: Simplify right side
    45,639.97x = 2,573,927,248.31
  5. Step 5: Solve for x
    x = 2,573,927,248.31/45,639.97
  6. Step 6: Final answer
    x = 56,396.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.