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Finding the Fourth Proportional to 3,307.99, 4,957.50 and 1,225.99

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Solution

The fourth proportional to 3,307.99, 4,957.50 and 1,225.99 is: 1,837.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,307.99 : 4,957.50 = 1,225.99 : x
  2. Step 2: Convert to fraction form
    3,307.99/4,957.50 = 1,225.99/x
  3. Step 3: Cross multiply
    3,307.99x = 4,957.50 × 1,225.99
  4. Step 4: Simplify right side
    3,307.99x = 6,077,845.43
  5. Step 5: Solve for x
    x = 6,077,845.43/3,307.99
  6. Step 6: Final answer
    x = 1,837.32

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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.