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Finding the Fourth Proportional to 9,316.08, 12,856.23 and 5,124.42

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Solution

The fourth proportional to 9,316.08, 12,856.23 and 5,124.42 is: 7,071.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,316.08 : 12,856.23 = 5,124.42 : x
  2. Step 2: Convert to fraction form
    9,316.08/12,856.23 = 5,124.42/x
  3. Step 3: Cross multiply
    9,316.08x = 12,856.23 × 5,124.42
  4. Step 4: Simplify right side
    9,316.08x = 65,880,722.14
  5. Step 5: Solve for x
    x = 65,880,722.14/9,316.08
  6. Step 6: Final answer
    x = 7,071.72

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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.