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Finding the Fourth Proportional to 66,846.74, 100,270.10 and 16,245.50

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Solution

The fourth proportional to 66,846.74, 100,270.10 and 16,245.50 is: 24,368.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,846.74 : 100,270.10 = 16,245.50 : x
  2. Step 2: Convert to fraction form
    66,846.74/100,270.10 = 16,245.50/x
  3. Step 3: Cross multiply
    66,846.74x = 100,270.10 × 16,245.50
  4. Step 4: Simplify right side
    66,846.74x = 1,628,937,448.81
  5. Step 5: Solve for x
    x = 1,628,937,448.81/66,846.74
  6. Step 6: Final answer
    x = 24,368.24

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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.