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Finding the Fourth Proportional to 9,187.84, 13,774.08 and 3,712

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Solution

The fourth proportional to 9,187.84, 13,774.08 and 3,712 is: 5,564.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187.84 : 13,774.08 = 3,712 : x
  2. Step 2: Convert to fraction form
    9,187.84/13,774.08 = 3,712/x
  3. Step 3: Cross multiply
    9,187.84x = 13,774.08 × 3,712
  4. Step 4: Simplify right side
    9,187.84x = 51,129,384.96
  5. Step 5: Solve for x
    x = 51,129,384.96/9,187.84
  6. Step 6: Final answer
    x = 5,564.90

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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.