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Finding the Fourth Proportional to 69,574.95, 104,356.89 and 19,653.03

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Solution

The fourth proportional to 69,574.95, 104,356.89 and 19,653.03 is: 29,477.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,574.95 : 104,356.89 = 19,653.03 : x
  2. Step 2: Convert to fraction form
    69,574.95/104,356.89 = 19,653.03/x
  3. Step 3: Cross multiply
    69,574.95x = 104,356.89 × 19,653.03
  4. Step 4: Simplify right side
    69,574.95x = 2,050,929,089.88
  5. Step 5: Solve for x
    x = 2,050,929,089.88/69,574.95
  6. Step 6: Final answer
    x = 29,477.98

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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.