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Finding the Fourth Proportional to 50,679.59, 69,932.63 and 29,457.05

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Solution

The fourth proportional to 50,679.59, 69,932.63 and 29,457.05 is: 40,647.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,679.59 : 69,932.63 = 29,457.05 : x
  2. Step 2: Convert to fraction form
    50,679.59/69,932.63 = 29,457.05/x
  3. Step 3: Cross multiply
    50,679.59x = 69,932.63 × 29,457.05
  4. Step 4: Simplify right side
    50,679.59x = 2,060,008,702.52
  5. Step 5: Solve for x
    x = 2,060,008,702.52/50,679.59
  6. Step 6: Final answer
    x = 40,647.70

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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.