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Finding the Fourth Proportional to 8,683.74, 13,026.20 and 4,300.02

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Solution

The fourth proportional to 8,683.74, 13,026.20 and 4,300.02 is: 6,450.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,683.74 : 13,026.20 = 4,300.02 : x
  2. Step 2: Convert to fraction form
    8,683.74/13,026.20 = 4,300.02/x
  3. Step 3: Cross multiply
    8,683.74x = 13,026.20 × 4,300.02
  4. Step 4: Simplify right side
    8,683.74x = 56,012,899.02
  5. Step 5: Solve for x
    x = 56,012,899.02/8,683.74
  6. Step 6: Final answer
    x = 6,450.32

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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.