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Finding the Fourth Proportional to 52,777.90, 79,220.20 and 46,813.09

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Solution

The fourth proportional to 52,777.90, 79,220.20 and 46,813.09 is: 70,266.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,777.90 : 79,220.20 = 46,813.09 : x
  2. Step 2: Convert to fraction form
    52,777.90/79,220.20 = 46,813.09/x
  3. Step 3: Cross multiply
    52,777.90x = 79,220.20 × 46,813.09
  4. Step 4: Simplify right side
    52,777.90x = 3,708,542,405.31
  5. Step 5: Solve for x
    x = 3,708,542,405.31/52,777.90
  6. Step 6: Final answer
    x = 70,266.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.