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Finding the Fourth Proportional to 62,617.60, 86,415.60 and 34,324.48

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Solution

The fourth proportional to 62,617.60, 86,415.60 and 34,324.48 is: 47,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,617.60 : 86,415.60 = 34,324.48 : x
  2. Step 2: Convert to fraction form
    62,617.60/86,415.60 = 34,324.48/x
  3. Step 3: Cross multiply
    62,617.60x = 86,415.60 × 34,324.48
  4. Step 4: Simplify right side
    62,617.60x = 2,966,170,533.89
  5. Step 5: Solve for x
    x = 2,966,170,533.89/62,617.60
  6. Step 6: Final answer
    x = 47,369.60

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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.