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Finding the Fourth Proportional to 69,705.88, 104,495.44 and 25,313.56

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Solution

The fourth proportional to 69,705.88, 104,495.44 and 25,313.56 is: 37,947.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,705.88 : 104,495.44 = 25,313.56 : x
  2. Step 2: Convert to fraction form
    69,705.88/104,495.44 = 25,313.56/x
  3. Step 3: Cross multiply
    69,705.88x = 104,495.44 × 25,313.56
  4. Step 4: Simplify right side
    69,705.88x = 2,645,151,590.17
  5. Step 5: Solve for x
    x = 2,645,151,590.17/69,705.88
  6. Step 6: Final answer
    x = 37,947.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.