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Finding the Fourth Proportional to 60,606.45, 90,914.93 and 18,496.01

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Solution

The fourth proportional to 60,606.45, 90,914.93 and 18,496.01 is: 27,745.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,606.45 : 90,914.93 = 18,496.01 : x
  2. Step 2: Convert to fraction form
    60,606.45/90,914.93 = 18,496.01/x
  3. Step 3: Cross multiply
    60,606.45x = 90,914.93 × 18,496.01
  4. Step 4: Simplify right side
    60,606.45x = 1,681,562,907.37
  5. Step 5: Solve for x
    x = 1,681,562,907.37/60,606.45
  6. Step 6: Final answer
    x = 27,745.61

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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.