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Finding the Fourth Proportional to 57,625.42, 79,521 and 33,751.60

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Solution

The fourth proportional to 57,625.42, 79,521 and 33,751.60 is: 46,575.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,625.42 : 79,521 = 33,751.60 : x
  2. Step 2: Convert to fraction form
    57,625.42/79,521 = 33,751.60/x
  3. Step 3: Cross multiply
    57,625.42x = 79,521 × 33,751.60
  4. Step 4: Simplify right side
    57,625.42x = 2,683,960,983.60
  5. Step 5: Solve for x
    x = 2,683,960,983.60/57,625.42
  6. Step 6: Final answer
    x = 46,575.99

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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.