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Finding the Fourth Proportional to 5,913.71, 8,875.16 and 2,219.30

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Solution

The fourth proportional to 5,913.71, 8,875.16 and 2,219.30 is: 3,330.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.71 : 8,875.16 = 2,219.30 : x
  2. Step 2: Convert to fraction form
    5,913.71/8,875.16 = 2,219.30/x
  3. Step 3: Cross multiply
    5,913.71x = 8,875.16 × 2,219.30
  4. Step 4: Simplify right side
    5,913.71x = 19,696,631.49
  5. Step 5: Solve for x
    x = 19,696,631.49/5,913.71
  6. Step 6: Final answer
    x = 3,330.67

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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.