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Finding the Fourth Proportional to 48,462.24, 66,790.80 and 35,865.12

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Solution

The fourth proportional to 48,462.24, 66,790.80 and 35,865.12 is: 49,429.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,462.24 : 66,790.80 = 35,865.12 : x
  2. Step 2: Convert to fraction form
    48,462.24/66,790.80 = 35,865.12/x
  3. Step 3: Cross multiply
    48,462.24x = 66,790.80 × 35,865.12
  4. Step 4: Simplify right side
    48,462.24x = 2,395,460,056.90
  5. Step 5: Solve for x
    x = 2,395,460,056.90/48,462.24
  6. Step 6: Final answer
    x = 49,429.41

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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.