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Finding the Fourth Proportional to 50,295.79, 69,479.02 and 47,638.58

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Solution

The fourth proportional to 50,295.79, 69,479.02 and 47,638.58 is: 65,808.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,295.79 : 69,479.02 = 47,638.58 : x
  2. Step 2: Convert to fraction form
    50,295.79/69,479.02 = 47,638.58/x
  3. Step 3: Cross multiply
    50,295.79x = 69,479.02 × 47,638.58
  4. Step 4: Simplify right side
    50,295.79x = 3,309,881,852.59
  5. Step 5: Solve for x
    x = 3,309,881,852.59/50,295.79
  6. Step 6: Final answer
    x = 65,808.33

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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.