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Finding the Fourth Proportional to 52,481.72, 78,374.71 and 46,122.68

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Solution

The fourth proportional to 52,481.72, 78,374.71 and 46,122.68 is: 68,878.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,481.72 : 78,374.71 = 46,122.68 : x
  2. Step 2: Convert to fraction form
    52,481.72/78,374.71 = 46,122.68/x
  3. Step 3: Cross multiply
    52,481.72x = 78,374.71 × 46,122.68
  4. Step 4: Simplify right side
    52,481.72x = 3,614,851,669.42
  5. Step 5: Solve for x
    x = 3,614,851,669.42/52,481.72
  6. Step 6: Final answer
    x = 68,878.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.