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Finding the Fourth Proportional to 4,999.36, 7,492.20 and 3,053.20

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Solution

The fourth proportional to 4,999.36, 7,492.20 and 3,053.20 is: 4,575.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.36 : 7,492.20 = 3,053.20 : x
  2. Step 2: Convert to fraction form
    4,999.36/7,492.20 = 3,053.20/x
  3. Step 3: Cross multiply
    4,999.36x = 7,492.20 × 3,053.20
  4. Step 4: Simplify right side
    4,999.36x = 22,875,185.04
  5. Step 5: Solve for x
    x = 22,875,185.04/4,999.36
  6. Step 6: Final answer
    x = 4,575.62

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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.