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Finding the Fourth Proportional to 8,862.94, 13,295.13 and 3,239.98

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Solution

The fourth proportional to 8,862.94, 13,295.13 and 3,239.98 is: 4,860.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862.94 : 13,295.13 = 3,239.98 : x
  2. Step 2: Convert to fraction form
    8,862.94/13,295.13 = 3,239.98/x
  3. Step 3: Cross multiply
    8,862.94x = 13,295.13 × 3,239.98
  4. Step 4: Simplify right side
    8,862.94x = 43,075,955.30
  5. Step 5: Solve for x
    x = 43,075,955.30/8,862.94
  6. Step 6: Final answer
    x = 4,860.23

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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.