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Finding the Fourth Proportional to 70,004.09, 96,624.06 and 39,807.11

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Solution

The fourth proportional to 70,004.09, 96,624.06 and 39,807.11 is: 54,944.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,004.09 : 96,624.06 = 39,807.11 : x
  2. Step 2: Convert to fraction form
    70,004.09/96,624.06 = 39,807.11/x
  3. Step 3: Cross multiply
    70,004.09x = 96,624.06 × 39,807.11
  4. Step 4: Simplify right side
    70,004.09x = 3,846,324,585.07
  5. Step 5: Solve for x
    x = 3,846,324,585.07/70,004.09
  6. Step 6: Final answer
    x = 54,944.28

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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.