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Finding the Fourth Proportional to 25,615, 35,348.70 and 14,437

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Solution

The fourth proportional to 25,615, 35,348.70 and 14,437 is: 19,923.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,615 : 35,348.70 = 14,437 : x
  2. Step 2: Convert to fraction form
    25,615/35,348.70 = 14,437/x
  3. Step 3: Cross multiply
    25,615x = 35,348.70 × 14,437
  4. Step 4: Simplify right side
    25,615x = 510,329,181.90
  5. Step 5: Solve for x
    x = 510,329,181.90/25,615
  6. Step 6: Final answer
    x = 19,923.06

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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.