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Finding the Fourth Proportional to 52,552.70, 78,829.05 and 15,616.70

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Solution

The fourth proportional to 52,552.70, 78,829.05 and 15,616.70 is: 23,425.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,552.70 : 78,829.05 = 15,616.70 : x
  2. Step 2: Convert to fraction form
    52,552.70/78,829.05 = 15,616.70/x
  3. Step 3: Cross multiply
    52,552.70x = 78,829.05 × 15,616.70
  4. Step 4: Simplify right side
    52,552.70x = 1,231,049,625.14
  5. Step 5: Solve for x
    x = 1,231,049,625.14/52,552.70
  6. Step 6: Final answer
    x = 23,425.05

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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.