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Finding the Fourth Proportional to 48,745.50, 67,268.80 and 26,389.50

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Solution

The fourth proportional to 48,745.50, 67,268.80 and 26,389.50 is: 36,417.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,745.50 : 67,268.80 = 26,389.50 : x
  2. Step 2: Convert to fraction form
    48,745.50/67,268.80 = 26,389.50/x
  3. Step 3: Cross multiply
    48,745.50x = 67,268.80 × 26,389.50
  4. Step 4: Simplify right side
    48,745.50x = 1,775,189,997.60
  5. Step 5: Solve for x
    x = 1,775,189,997.60/48,745.50
  6. Step 6: Final answer
    x = 36,417.52

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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.