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Finding the Fourth Proportional to 8,862.22, 13,295.64 and 3,316

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Solution

The fourth proportional to 8,862.22, 13,295.64 and 3,316 is: 4,974.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862.22 : 13,295.64 = 3,316 : x
  2. Step 2: Convert to fraction form
    8,862.22/13,295.64 = 3,316/x
  3. Step 3: Cross multiply
    8,862.22x = 13,295.64 × 3,316
  4. Step 4: Simplify right side
    8,862.22x = 44,088,342.24
  5. Step 5: Solve for x
    x = 44,088,342.24/8,862.22
  6. Step 6: Final answer
    x = 4,974.86

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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.