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Finding the Fourth Proportional to 50,489.58, 69,675.95 and 28,973.59

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Solution

The fourth proportional to 50,489.58, 69,675.95 and 28,973.59 is: 39,983.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,489.58 : 69,675.95 = 28,973.59 : x
  2. Step 2: Convert to fraction form
    50,489.58/69,675.95 = 28,973.59/x
  3. Step 3: Cross multiply
    50,489.58x = 69,675.95 × 28,973.59
  4. Step 4: Simplify right side
    50,489.58x = 2,018,762,306.40
  5. Step 5: Solve for x
    x = 2,018,762,306.40/50,489.58
  6. Step 6: Final answer
    x = 39,983.74

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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.