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Finding the Fourth Proportional to 50,113.98, 69,158.70 and 28,894.68

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Solution

The fourth proportional to 50,113.98, 69,158.70 and 28,894.68 is: 39,875.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,113.98 : 69,158.70 = 28,894.68 : x
  2. Step 2: Convert to fraction form
    50,113.98/69,158.70 = 28,894.68/x
  3. Step 3: Cross multiply
    50,113.98x = 69,158.70 × 28,894.68
  4. Step 4: Simplify right side
    50,113.98x = 1,998,318,505.72
  5. Step 5: Solve for x
    x = 1,998,318,505.72/50,113.98
  6. Step 6: Final answer
    x = 39,875.47

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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.