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Finding the Fourth Proportional to 52,353, 78,529.23 and 29,028.78

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Solution

The fourth proportional to 52,353, 78,529.23 and 29,028.78 is: 43,543.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,353 : 78,529.23 = 29,028.78 : x
  2. Step 2: Convert to fraction form
    52,353/78,529.23 = 29,028.78/x
  3. Step 3: Cross multiply
    52,353x = 78,529.23 × 29,028.78
  4. Step 4: Simplify right side
    52,353x = 2,279,607,741.24
  5. Step 5: Solve for x
    x = 2,279,607,741.24/52,353
  6. Step 6: Final answer
    x = 43,543.02

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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.