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Finding the Fourth Proportional to 9,842.54, 14,765.98 and 2,917.58

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Solution

The fourth proportional to 9,842.54, 14,765.98 and 2,917.58 is: 4,377.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,842.54 : 14,765.98 = 2,917.58 : x
  2. Step 2: Convert to fraction form
    9,842.54/14,765.98 = 2,917.58/x
  3. Step 3: Cross multiply
    9,842.54x = 14,765.98 × 2,917.58
  4. Step 4: Simplify right side
    9,842.54x = 43,080,927.93
  5. Step 5: Solve for x
    x = 43,080,927.93/9,842.54
  6. Step 6: Final answer
    x = 4,377.01

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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.