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Finding the Fourth Proportional to 69,807.74, 96,334.22 and 37,976.76

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Solution

The fourth proportional to 69,807.74, 96,334.22 and 37,976.76 is: 52,407.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,807.74 : 96,334.22 = 37,976.76 : x
  2. Step 2: Convert to fraction form
    69,807.74/96,334.22 = 37,976.76/x
  3. Step 3: Cross multiply
    69,807.74x = 96,334.22 × 37,976.76
  4. Step 4: Simplify right side
    69,807.74x = 3,658,461,362.84
  5. Step 5: Solve for x
    x = 3,658,461,362.84/69,807.74
  6. Step 6: Final answer
    x = 52,407.68

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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.