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Finding the Fourth Proportional to 60,617.45, 90,940.48 and 19,064.45

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Solution

The fourth proportional to 60,617.45, 90,940.48 and 19,064.45 is: 28,601.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,617.45 : 90,940.48 = 19,064.45 : x
  2. Step 2: Convert to fraction form
    60,617.45/90,940.48 = 19,064.45/x
  3. Step 3: Cross multiply
    60,617.45x = 90,940.48 × 19,064.45
  4. Step 4: Simplify right side
    60,617.45x = 1,733,729,731.57
  5. Step 5: Solve for x
    x = 1,733,729,731.57/60,617.45
  6. Step 6: Final answer
    x = 28,601.17

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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.