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Finding the Fourth Proportional to 48,652.80, 67,140.72 and 26,296.80

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Solution

The fourth proportional to 48,652.80, 67,140.72 and 26,296.80 is: 36,289.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,652.80 : 67,140.72 = 26,296.80 : x
  2. Step 2: Convert to fraction form
    48,652.80/67,140.72 = 26,296.80/x
  3. Step 3: Cross multiply
    48,652.80x = 67,140.72 × 26,296.80
  4. Step 4: Simplify right side
    48,652.80x = 1,765,586,085.70
  5. Step 5: Solve for x
    x = 1,765,586,085.70/48,652.80
  6. Step 6: Final answer
    x = 36,289.51

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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.