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Finding the Fourth Proportional to 4,798.86, 7,186.29 and 3,038.55

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Solution

The fourth proportional to 4,798.86, 7,186.29 and 3,038.55 is: 4,550.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,798.86 : 7,186.29 = 3,038.55 : x
  2. Step 2: Convert to fraction form
    4,798.86/7,186.29 = 3,038.55/x
  3. Step 3: Cross multiply
    4,798.86x = 7,186.29 × 3,038.55
  4. Step 4: Simplify right side
    4,798.86x = 21,835,901.48
  5. Step 5: Solve for x
    x = 21,835,901.48/4,798.86
  6. Step 6: Final answer
    x = 4,550.23

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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.