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Finding the Fourth Proportional to 8,547.02, 12,813.21 and 3,351.70

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Solution

The fourth proportional to 8,547.02, 12,813.21 and 3,351.70 is: 5,024.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547.02 : 12,813.21 = 3,351.70 : x
  2. Step 2: Convert to fraction form
    8,547.02/12,813.21 = 3,351.70/x
  3. Step 3: Cross multiply
    8,547.02x = 12,813.21 × 3,351.70
  4. Step 4: Simplify right side
    8,547.02x = 42,946,035.96
  5. Step 5: Solve for x
    x = 42,946,035.96/8,547.02
  6. Step 6: Final answer
    x = 5,024.68

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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.