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Finding the Fourth Proportional to 71,567.55, 107,395.20 and 29,467.80

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Solution

The fourth proportional to 71,567.55, 107,395.20 and 29,467.80 is: 44,219.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,567.55 : 107,395.20 = 29,467.80 : x
  2. Step 2: Convert to fraction form
    71,567.55/107,395.20 = 29,467.80/x
  3. Step 3: Cross multiply
    71,567.55x = 107,395.20 × 29,467.80
  4. Step 4: Simplify right side
    71,567.55x = 3,164,700,274.56
  5. Step 5: Solve for x
    x = 3,164,700,274.56/71,567.55
  6. Step 6: Final answer
    x = 44,219.77

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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.