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Finding the Fourth Proportional to 69,940.02, 96,486.54 and 47,270.76

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Solution

The fourth proportional to 69,940.02, 96,486.54 and 47,270.76 is: 65,212.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,940.02 : 96,486.54 = 47,270.76 : x
  2. Step 2: Convert to fraction form
    69,940.02/96,486.54 = 47,270.76/x
  3. Step 3: Cross multiply
    69,940.02x = 96,486.54 × 47,270.76
  4. Step 4: Simplify right side
    69,940.02x = 4,560,992,075.57
  5. Step 5: Solve for x
    x = 4,560,992,075.57/69,940.02
  6. Step 6: Final answer
    x = 65,212.91

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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.