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Finding the Fourth Proportional to 63,315.64, 87,390.08 and 36,473.68

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Solution

The fourth proportional to 63,315.64, 87,390.08 and 36,473.68 is: 50,342.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,315.64 : 87,390.08 = 36,473.68 : x
  2. Step 2: Convert to fraction form
    63,315.64/87,390.08 = 36,473.68/x
  3. Step 3: Cross multiply
    63,315.64x = 87,390.08 × 36,473.68
  4. Step 4: Simplify right side
    63,315.64x = 3,187,437,813.09
  5. Step 5: Solve for x
    x = 3,187,437,813.09/63,315.64
  6. Step 6: Final answer
    x = 50,342.03

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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.