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Finding the Fourth Proportional to 48,491.87, 66,903.22 and 29,365.54

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Solution

The fourth proportional to 48,491.87, 66,903.22 and 29,365.54 is: 40,515.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,491.87 : 66,903.22 = 29,365.54 : x
  2. Step 2: Convert to fraction form
    48,491.87/66,903.22 = 29,365.54/x
  3. Step 3: Cross multiply
    48,491.87x = 66,903.22 × 29,365.54
  4. Step 4: Simplify right side
    48,491.87x = 1,964,648,887.31
  5. Step 5: Solve for x
    x = 1,964,648,887.31/48,491.87
  6. Step 6: Final answer
    x = 40,515.02

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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.