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Finding the Fourth Proportional to 69,545.93, 104,318.89 and 16,955.87

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Solution

The fourth proportional to 69,545.93, 104,318.89 and 16,955.87 is: 25,433.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,545.93 : 104,318.89 = 16,955.87 : x
  2. Step 2: Convert to fraction form
    69,545.93/104,318.89 = 16,955.87/x
  3. Step 3: Cross multiply
    69,545.93x = 104,318.89 × 16,955.87
  4. Step 4: Simplify right side
    69,545.93x = 1,768,816,973.40
  5. Step 5: Solve for x
    x = 1,768,816,973.40/69,545.93
  6. Step 6: Final answer
    x = 25,433.80

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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.