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Finding the Fourth Proportional to 71,552.88, 107,336.67 and 18,962.37

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Solution

The fourth proportional to 71,552.88, 107,336.67 and 18,962.37 is: 28,445.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,552.88 : 107,336.67 = 18,962.37 : x
  2. Step 2: Convert to fraction form
    71,552.88/107,336.67 = 18,962.37/x
  3. Step 3: Cross multiply
    71,552.88x = 107,336.67 × 18,962.37
  4. Step 4: Simplify right side
    71,552.88x = 2,035,357,651.11
  5. Step 5: Solve for x
    x = 2,035,357,651.11/71,552.88
  6. Step 6: Final answer
    x = 28,445.50

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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.