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Finding the Fourth Proportional to 75,673.80, 104,394.72 and 48,824.92

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Solution

The fourth proportional to 75,673.80, 104,394.72 and 48,824.92 is: 67,355.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,673.80 : 104,394.72 = 48,824.92 : x
  2. Step 2: Convert to fraction form
    75,673.80/104,394.72 = 48,824.92/x
  3. Step 3: Cross multiply
    75,673.80x = 104,394.72 × 48,824.92
  4. Step 4: Simplify right side
    75,673.80x = 5,097,063,852.42
  5. Step 5: Solve for x
    x = 5,097,063,852.42/75,673.80
  6. Step 6: Final answer
    x = 67,355.73

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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.