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Finding the Fourth Proportional to 25,295.52, 34,907.63 and 13,965.01

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Solution

The fourth proportional to 25,295.52, 34,907.63 and 13,965.01 is: 19,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,295.52 : 34,907.63 = 13,965.01 : x
  2. Step 2: Convert to fraction form
    25,295.52/34,907.63 = 13,965.01/x
  3. Step 3: Cross multiply
    25,295.52x = 34,907.63 × 13,965.01
  4. Step 4: Simplify right side
    25,295.52x = 487,485,244.93
  5. Step 5: Solve for x
    x = 487,485,244.93/25,295.52
  6. Step 6: Final answer
    x = 19,271.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.