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Finding the Fourth Proportional to 71,894.42, 99,214.15 and 41,697.21

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Solution

The fourth proportional to 71,894.42, 99,214.15 and 41,697.21 is: 57,542.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,894.42 : 99,214.15 = 41,697.21 : x
  2. Step 2: Convert to fraction form
    71,894.42/99,214.15 = 41,697.21/x
  3. Step 3: Cross multiply
    71,894.42x = 99,214.15 × 41,697.21
  4. Step 4: Simplify right side
    71,894.42x = 4,136,953,247.52
  5. Step 5: Solve for x
    x = 4,136,953,247.52/71,894.42
  6. Step 6: Final answer
    x = 57,542.06

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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.