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Finding the Fourth Proportional to 69,604.76, 104,416.86 and 34,535

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Solution

The fourth proportional to 69,604.76, 104,416.86 and 34,535 is: 51,807.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,604.76 : 104,416.86 = 34,535 : x
  2. Step 2: Convert to fraction form
    69,604.76/104,416.86 = 34,535/x
  3. Step 3: Cross multiply
    69,604.76x = 104,416.86 × 34,535
  4. Step 4: Simplify right side
    69,604.76x = 3,606,036,260.10
  5. Step 5: Solve for x
    x = 3,606,036,260.10/69,604.76
  6. Step 6: Final answer
    x = 51,807.32

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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.