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Finding the Fourth Proportional to 35,626.70, 53,413.05 and 18,109.10

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Solution

The fourth proportional to 35,626.70, 53,413.05 and 18,109.10 is: 27,149.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,626.70 : 53,413.05 = 18,109.10 : x
  2. Step 2: Convert to fraction form
    35,626.70/53,413.05 = 18,109.10/x
  3. Step 3: Cross multiply
    35,626.70x = 53,413.05 × 18,109.10
  4. Step 4: Simplify right side
    35,626.70x = 967,262,263.76
  5. Step 5: Solve for x
    x = 967,262,263.76/35,626.70
  6. Step 6: Final answer
    x = 27,149.93

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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.