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Finding the Fourth Proportional to 50,999.95, 70,359.76 and 29,485.73

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Solution

The fourth proportional to 50,999.95, 70,359.76 and 29,485.73 is: 40,678.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,999.95 : 70,359.76 = 29,485.73 : x
  2. Step 2: Convert to fraction form
    50,999.95/70,359.76 = 29,485.73/x
  3. Step 3: Cross multiply
    50,999.95x = 70,359.76 × 29,485.73
  4. Step 4: Simplify right side
    50,999.95x = 2,074,608,886.22
  5. Step 5: Solve for x
    x = 2,074,608,886.22/50,999.95
  6. Step 6: Final answer
    x = 40,678.65

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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.