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Finding the Fourth Proportional to 69,783.92, 96,303.80 and 37,954.87

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Solution

The fourth proportional to 69,783.92, 96,303.80 and 37,954.87 is: 52,378.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,783.92 : 96,303.80 = 37,954.87 : x
  2. Step 2: Convert to fraction form
    69,783.92/96,303.80 = 37,954.87/x
  3. Step 3: Cross multiply
    69,783.92x = 96,303.80 × 37,954.87
  4. Step 4: Simplify right side
    69,783.92x = 3,655,198,209.51
  5. Step 5: Solve for x
    x = 3,655,198,209.51/69,783.92
  6. Step 6: Final answer
    x = 52,378.80

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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.