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Finding the Fourth Proportional to 48,684.87, 67,138.54 and 29,567.77

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Solution

The fourth proportional to 48,684.87, 67,138.54 and 29,567.77 is: 40,775.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,684.87 : 67,138.54 = 29,567.77 : x
  2. Step 2: Convert to fraction form
    48,684.87/67,138.54 = 29,567.77/x
  3. Step 3: Cross multiply
    48,684.87x = 67,138.54 × 29,567.77
  4. Step 4: Simplify right side
    48,684.87x = 1,985,136,667.09
  5. Step 5: Solve for x
    x = 1,985,136,667.09/48,684.87
  6. Step 6: Final answer
    x = 40,775.23

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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.