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Finding the Fourth Proportional to 9,755.03, 14,619.79 and 3,915.74

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Solution

The fourth proportional to 9,755.03, 14,619.79 and 3,915.74 is: 5,868.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,755.03 : 14,619.79 = 3,915.74 : x
  2. Step 2: Convert to fraction form
    9,755.03/14,619.79 = 3,915.74/x
  3. Step 3: Cross multiply
    9,755.03x = 14,619.79 × 3,915.74
  4. Step 4: Simplify right side
    9,755.03x = 57,247,337.94
  5. Step 5: Solve for x
    x = 57,247,337.94/9,755.03
  6. Step 6: Final answer
    x = 5,868.49

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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.