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Finding the Fourth Proportional to 63,340.32, 87,409.08 and 37,845.30

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Solution

The fourth proportional to 63,340.32, 87,409.08 and 37,845.30 is: 52,226.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,340.32 : 87,409.08 = 37,845.30 : x
  2. Step 2: Convert to fraction form
    63,340.32/87,409.08 = 37,845.30/x
  3. Step 3: Cross multiply
    63,340.32x = 87,409.08 × 37,845.30
  4. Step 4: Simplify right side
    63,340.32x = 3,308,022,855.32
  5. Step 5: Solve for x
    x = 3,308,022,855.32/63,340.32
  6. Step 6: Final answer
    x = 52,226.18

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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.