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Finding the Fourth Proportional to 69,407.76, 95,783.19 and 37,576.74

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Solution

The fourth proportional to 69,407.76, 95,783.19 and 37,576.74 is: 51,856.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,407.76 : 95,783.19 = 37,576.74 : x
  2. Step 2: Convert to fraction form
    69,407.76/95,783.19 = 37,576.74/x
  3. Step 3: Cross multiply
    69,407.76x = 95,783.19 × 37,576.74
  4. Step 4: Simplify right side
    69,407.76x = 3,599,220,027.00
  5. Step 5: Solve for x
    x = 3,599,220,027.00/69,407.76
  6. Step 6: Final answer
    x = 51,856.16

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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.