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Finding the Fourth Proportional to 9,798.64, 14,698.84 and 2,873.20

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Solution

The fourth proportional to 9,798.64, 14,698.84 and 2,873.20 is: 4,310.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,798.64 : 14,698.84 = 2,873.20 : x
  2. Step 2: Convert to fraction form
    9,798.64/14,698.84 = 2,873.20/x
  3. Step 3: Cross multiply
    9,798.64x = 14,698.84 × 2,873.20
  4. Step 4: Simplify right side
    9,798.64x = 42,232,707.09
  5. Step 5: Solve for x
    x = 42,232,707.09/9,798.64
  6. Step 6: Final answer
    x = 4,310.06

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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.