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Finding the Fourth Proportional to 10,985.33, 16,479.71 and 3,588.08

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Solution

The fourth proportional to 10,985.33, 16,479.71 and 3,588.08 is: 5,382.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,985.33 : 16,479.71 = 3,588.08 : x
  2. Step 2: Convert to fraction form
    10,985.33/16,479.71 = 3,588.08/x
  3. Step 3: Cross multiply
    10,985.33x = 16,479.71 × 3,588.08
  4. Step 4: Simplify right side
    10,985.33x = 59,130,444.43
  5. Step 5: Solve for x
    x = 59,130,444.43/10,985.33
  6. Step 6: Final answer
    x = 5,382.67

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.