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Finding the Fourth Proportional to 69,957.99, 104,855.68 and 39,993.23

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Solution

The fourth proportional to 69,957.99, 104,855.68 and 39,993.23 is: 59,943.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,957.99 : 104,855.68 = 39,993.23 : x
  2. Step 2: Convert to fraction form
    69,957.99/104,855.68 = 39,993.23/x
  3. Step 3: Cross multiply
    69,957.99x = 104,855.68 × 39,993.23
  4. Step 4: Simplify right side
    69,957.99x = 4,193,516,602.80
  5. Step 5: Solve for x
    x = 4,193,516,602.80/69,957.99
  6. Step 6: Final answer
    x = 59,943.35

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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.