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Finding the Fourth Proportional to 66,735.96, 100,102.77 and 16,814.95

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Solution

The fourth proportional to 66,735.96, 100,102.77 and 16,814.95 is: 25,222.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,735.96 : 100,102.77 = 16,814.95 : x
  2. Step 2: Convert to fraction form
    66,735.96/100,102.77 = 16,814.95/x
  3. Step 3: Cross multiply
    66,735.96x = 100,102.77 × 16,814.95
  4. Step 4: Simplify right side
    66,735.96x = 1,683,222,822.15
  5. Step 5: Solve for x
    x = 1,683,222,822.15/66,735.96
  6. Step 6: Final answer
    x = 25,222.13

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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.