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Finding the Fourth Proportional to 9,804.84, 13,529.59 and 5,555.58

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Solution

The fourth proportional to 9,804.84, 13,529.59 and 5,555.58 is: 7,666.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,804.84 : 13,529.59 = 5,555.58 : x
  2. Step 2: Convert to fraction form
    9,804.84/13,529.59 = 5,555.58/x
  3. Step 3: Cross multiply
    9,804.84x = 13,529.59 × 5,555.58
  4. Step 4: Simplify right side
    9,804.84x = 75,164,719.61
  5. Step 5: Solve for x
    x = 75,164,719.61/9,804.84
  6. Step 6: Final answer
    x = 7,666.08

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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.