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Finding the Fourth Proportional to 44,478.93, 66,718.46 and 11,199

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Solution

The fourth proportional to 44,478.93, 66,718.46 and 11,199 is: 16,798.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,478.93 : 66,718.46 = 11,199 : x
  2. Step 2: Convert to fraction form
    44,478.93/66,718.46 = 11,199/x
  3. Step 3: Cross multiply
    44,478.93x = 66,718.46 × 11,199
  4. Step 4: Simplify right side
    44,478.93x = 747,180,033.54
  5. Step 5: Solve for x
    x = 747,180,033.54/44,478.93
  6. Step 6: Final answer
    x = 16,798.52

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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.