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Finding the Fourth Proportional to 63,365.61, 87,438.58 and 37,866.90

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Solution

The fourth proportional to 63,365.61, 87,438.58 and 37,866.90 is: 52,252.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,365.61 : 87,438.58 = 37,866.90 : x
  2. Step 2: Convert to fraction form
    63,365.61/87,438.58 = 37,866.90/x
  3. Step 3: Cross multiply
    63,365.61x = 87,438.58 × 37,866.90
  4. Step 4: Simplify right side
    63,365.61x = 3,311,027,965.00
  5. Step 5: Solve for x
    x = 3,311,027,965.00/63,365.61
  6. Step 6: Final answer
    x = 52,252.76

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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.