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Finding the Fourth Proportional to 8,870.47, 13,308.01 and 3,323.89

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Solution

The fourth proportional to 8,870.47, 13,308.01 and 3,323.89 is: 4,986.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870.47 : 13,308.01 = 3,323.89 : x
  2. Step 2: Convert to fraction form
    8,870.47/13,308.01 = 3,323.89/x
  3. Step 3: Cross multiply
    8,870.47x = 13,308.01 × 3,323.89
  4. Step 4: Simplify right side
    8,870.47x = 44,234,361.36
  5. Step 5: Solve for x
    x = 44,234,361.36/8,870.47
  6. Step 6: Final answer
    x = 4,986.70

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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.