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Finding the Fourth Proportional to 52,903.26, 72,915.59 and 50,411.90

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Solution

The fourth proportional to 52,903.26, 72,915.59 and 50,411.90 is: 69,481.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,903.26 : 72,915.59 = 50,411.90 : x
  2. Step 2: Convert to fraction form
    52,903.26/72,915.59 = 50,411.90/x
  3. Step 3: Cross multiply
    52,903.26x = 72,915.59 × 50,411.90
  4. Step 4: Simplify right side
    52,903.26x = 3,675,813,739.84
  5. Step 5: Solve for x
    x = 3,675,813,739.84/52,903.26
  6. Step 6: Final answer
    x = 69,481.80

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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.