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Finding the Fourth Proportional to 9,363.93, 14,041.74 and 4,980.39

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Solution

The fourth proportional to 9,363.93, 14,041.74 and 4,980.39 is: 7,468.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,363.93 : 14,041.74 = 4,980.39 : x
  2. Step 2: Convert to fraction form
    9,363.93/14,041.74 = 4,980.39/x
  3. Step 3: Cross multiply
    9,363.93x = 14,041.74 × 4,980.39
  4. Step 4: Simplify right side
    9,363.93x = 69,933,341.48
  5. Step 5: Solve for x
    x = 69,933,341.48/9,363.93
  6. Step 6: Final answer
    x = 7,468.38

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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.