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Finding the Fourth Proportional to 70,004.59, 96,624.75 and 39,807.61

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Solution

The fourth proportional to 70,004.59, 96,624.75 and 39,807.61 is: 54,944.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,004.59 : 96,624.75 = 39,807.61 : x
  2. Step 2: Convert to fraction form
    70,004.59/96,624.75 = 39,807.61/x
  3. Step 3: Cross multiply
    70,004.59x = 96,624.75 × 39,807.61
  4. Step 4: Simplify right side
    70,004.59x = 3,846,400,364.35
  5. Step 5: Solve for x
    x = 3,846,400,364.35/70,004.59
  6. Step 6: Final answer
    x = 54,944.97

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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.