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Finding the Fourth Proportional to 9,798.99, 14,688.41 and 3,873.47

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Solution

The fourth proportional to 9,798.99, 14,688.41 and 3,873.47 is: 5,806.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,798.99 : 14,688.41 = 3,873.47 : x
  2. Step 2: Convert to fraction form
    9,798.99/14,688.41 = 3,873.47/x
  3. Step 3: Cross multiply
    9,798.99x = 14,688.41 × 3,873.47
  4. Step 4: Simplify right side
    9,798.99x = 56,895,051.72
  5. Step 5: Solve for x
    x = 56,895,051.72/9,798.99
  6. Step 6: Final answer
    x = 5,806.22

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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.