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Finding the Fourth Proportional to 69,490.83, 104,235.40 and 16,900.37

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Solution

The fourth proportional to 69,490.83, 104,235.40 and 16,900.37 is: 25,350.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,490.83 : 104,235.40 = 16,900.37 : x
  2. Step 2: Convert to fraction form
    69,490.83/104,235.40 = 16,900.37/x
  3. Step 3: Cross multiply
    69,490.83x = 104,235.40 × 16,900.37
  4. Step 4: Simplify right side
    69,490.83x = 1,761,616,827.10
  5. Step 5: Solve for x
    x = 1,761,616,827.10/69,490.83
  6. Step 6: Final answer
    x = 25,350.35

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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.