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Finding the Fourth Proportional to 4,899.14, 7,347.16 and 1,611.50

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Solution

The fourth proportional to 4,899.14, 7,347.16 and 1,611.50 is: 2,416.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.14 : 7,347.16 = 1,611.50 : x
  2. Step 2: Convert to fraction form
    4,899.14/7,347.16 = 1,611.50/x
  3. Step 3: Cross multiply
    4,899.14x = 7,347.16 × 1,611.50
  4. Step 4: Simplify right side
    4,899.14x = 11,839,948.34
  5. Step 5: Solve for x
    x = 11,839,948.34/4,899.14
  6. Step 6: Final answer
    x = 2,416.74

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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.