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Finding the Fourth Proportional to 8,580.33, 12,875.43 and 4,631.58

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Solution

The fourth proportional to 8,580.33, 12,875.43 and 4,631.58 is: 6,950.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,580.33 : 12,875.43 = 4,631.58 : x
  2. Step 2: Convert to fraction form
    8,580.33/12,875.43 = 4,631.58/x
  3. Step 3: Cross multiply
    8,580.33x = 12,875.43 × 4,631.58
  4. Step 4: Simplify right side
    8,580.33x = 59,633,584.08
  5. Step 5: Solve for x
    x = 59,633,584.08/8,580.33
  6. Step 6: Final answer
    x = 6,950.03

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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.