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Finding the Fourth Proportional to 25,696.60, 38,545.02 and 10,901.80

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Solution

The fourth proportional to 25,696.60, 38,545.02 and 10,901.80 is: 16,352.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,696.60 : 38,545.02 = 10,901.80 : x
  2. Step 2: Convert to fraction form
    25,696.60/38,545.02 = 10,901.80/x
  3. Step 3: Cross multiply
    25,696.60x = 38,545.02 × 10,901.80
  4. Step 4: Simplify right side
    25,696.60x = 420,210,099.04
  5. Step 5: Solve for x
    x = 420,210,099.04/25,696.60
  6. Step 6: Final answer
    x = 16,352.75

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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.