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Finding the Fourth Proportional to 59,699.09, 89,529.31 and 19,709.09

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Solution

The fourth proportional to 59,699.09, 89,529.31 and 19,709.09 is: 29,557.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,699.09 : 89,529.31 = 19,709.09 : x
  2. Step 2: Convert to fraction form
    59,699.09/89,529.31 = 19,709.09/x
  3. Step 3: Cross multiply
    59,699.09x = 89,529.31 × 19,709.09
  4. Step 4: Simplify right side
    59,699.09x = 1,764,541,228.43
  5. Step 5: Solve for x
    x = 1,764,541,228.43/59,699.09
  6. Step 6: Final answer
    x = 29,557.26

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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.