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Finding the Fourth Proportional to 44,085.76, 66,128.62 and 11,253.76

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Solution

The fourth proportional to 44,085.76, 66,128.62 and 11,253.76 is: 16,880.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,085.76 : 66,128.62 = 11,253.76 : x
  2. Step 2: Convert to fraction form
    44,085.76/66,128.62 = 11,253.76/x
  3. Step 3: Cross multiply
    44,085.76x = 66,128.62 × 11,253.76
  4. Step 4: Simplify right side
    44,085.76x = 744,195,618.61
  5. Step 5: Solve for x
    x = 744,195,618.61/44,085.76
  6. Step 6: Final answer
    x = 16,880.63

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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.