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Finding the Fourth Proportional to 9,795.84, 13,518.31 and 5,319.59

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Solution

The fourth proportional to 9,795.84, 13,518.31 and 5,319.59 is: 7,341.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,795.84 : 13,518.31 = 5,319.59 : x
  2. Step 2: Convert to fraction form
    9,795.84/13,518.31 = 5,319.59/x
  3. Step 3: Cross multiply
    9,795.84x = 13,518.31 × 5,319.59
  4. Step 4: Simplify right side
    9,795.84x = 71,911,871.82
  5. Step 5: Solve for x
    x = 71,911,871.82/9,795.84
  6. Step 6: Final answer
    x = 7,341.07

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.