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Finding the Fourth Proportional to 50,809.79, 70,129.17 and 33,814.76

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Solution

The fourth proportional to 50,809.79, 70,129.17 and 33,814.76 is: 46,672.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,809.79 : 70,129.17 = 33,814.76 : x
  2. Step 2: Convert to fraction form
    50,809.79/70,129.17 = 33,814.76/x
  3. Step 3: Cross multiply
    50,809.79x = 70,129.17 × 33,814.76
  4. Step 4: Simplify right side
    50,809.79x = 2,371,400,701.90
  5. Step 5: Solve for x
    x = 2,371,400,701.90/50,809.79
  6. Step 6: Final answer
    x = 46,672.13

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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.