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Finding the Fourth Proportional to 69,939.02, 96,485.16 and 47,269.76

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Solution

The fourth proportional to 69,939.02, 96,485.16 and 47,269.76 is: 65,211.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,939.02 : 96,485.16 = 47,269.76 : x
  2. Step 2: Convert to fraction form
    69,939.02/96,485.16 = 47,269.76/x
  3. Step 3: Cross multiply
    69,939.02x = 96,485.16 × 47,269.76
  4. Step 4: Simplify right side
    69,939.02x = 4,560,830,356.76
  5. Step 5: Solve for x
    x = 4,560,830,356.76/69,939.02
  6. Step 6: Final answer
    x = 65,211.53

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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.