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Finding the Fourth Proportional to 18,503.01, 25,534.85 and 10,545.03

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Solution

The fourth proportional to 18,503.01, 25,534.85 and 10,545.03 is: 14,552.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,503.01 : 25,534.85 = 10,545.03 : x
  2. Step 2: Convert to fraction form
    18,503.01/25,534.85 = 10,545.03/x
  3. Step 3: Cross multiply
    18,503.01x = 25,534.85 × 10,545.03
  4. Step 4: Simplify right side
    18,503.01x = 269,265,706.57
  5. Step 5: Solve for x
    x = 269,265,706.57/18,503.01
  6. Step 6: Final answer
    x = 14,552.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.