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Finding the Fourth Proportional to 62,903.88, 86,807.35 and 34,608.96

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Solution

The fourth proportional to 62,903.88, 86,807.35 and 34,608.96 is: 47,760.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,903.88 : 86,807.35 = 34,608.96 : x
  2. Step 2: Convert to fraction form
    62,903.88/86,807.35 = 34,608.96/x
  3. Step 3: Cross multiply
    62,903.88x = 86,807.35 × 34,608.96
  4. Step 4: Simplify right side
    62,903.88x = 3,004,312,103.86
  5. Step 5: Solve for x
    x = 3,004,312,103.86/62,903.88
  6. Step 6: Final answer
    x = 47,760.36

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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.