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Finding the Fourth Proportional to 52,285.50, 72,163.71 and 29,929.50

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Solution

The fourth proportional to 52,285.50, 72,163.71 and 29,929.50 is: 41,308.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,285.50 : 72,163.71 = 29,929.50 : x
  2. Step 2: Convert to fraction form
    52,285.50/72,163.71 = 29,929.50/x
  3. Step 3: Cross multiply
    52,285.50x = 72,163.71 × 29,929.50
  4. Step 4: Simplify right side
    52,285.50x = 2,159,823,758.45
  5. Step 5: Solve for x
    x = 2,159,823,758.45/52,285.50
  6. Step 6: Final answer
    x = 41,308.27

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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.