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Finding the Fourth Proportional to 4,784.22, 6,602.30 and 2,688.35

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Solution

The fourth proportional to 4,784.22, 6,602.30 and 2,688.35 is: 3,709.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,784.22 : 6,602.30 = 2,688.35 : x
  2. Step 2: Convert to fraction form
    4,784.22/6,602.30 = 2,688.35/x
  3. Step 3: Cross multiply
    4,784.22x = 6,602.30 × 2,688.35
  4. Step 4: Simplify right side
    4,784.22x = 17,749,246.75
  5. Step 5: Solve for x
    x = 17,749,246.75/4,784.22
  6. Step 6: Final answer
    x = 3,709.96

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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.