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Finding the Fourth Proportional to 50,489.95, 69,672.98 and 27,829.12

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Solution

The fourth proportional to 50,489.95, 69,672.98 and 27,829.12 is: 38,402.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,489.95 : 69,672.98 = 27,829.12 : x
  2. Step 2: Convert to fraction form
    50,489.95/69,672.98 = 27,829.12/x
  3. Step 3: Cross multiply
    50,489.95x = 69,672.98 × 27,829.12
  4. Step 4: Simplify right side
    50,489.95x = 1,938,937,590.67
  5. Step 5: Solve for x
    x = 1,938,937,590.67/50,489.95
  6. Step 6: Final answer
    x = 38,402.45

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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.