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Finding the Fourth Proportional to 8,907.84, 13,359.06 and 3,712.50

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Solution

The fourth proportional to 8,907.84, 13,359.06 and 3,712.50 is: 5,567.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907.84 : 13,359.06 = 3,712.50 : x
  2. Step 2: Convert to fraction form
    8,907.84/13,359.06 = 3,712.50/x
  3. Step 3: Cross multiply
    8,907.84x = 13,359.06 × 3,712.50
  4. Step 4: Simplify right side
    8,907.84x = 49,595,510.25
  5. Step 5: Solve for x
    x = 49,595,510.25/8,907.84
  6. Step 6: Final answer
    x = 5,567.62

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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.