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Finding the Fourth Proportional to 25,862.31, 35,690.03 and 14,684.31

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Solution

The fourth proportional to 25,862.31, 35,690.03 and 14,684.31 is: 20,264.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,862.31 : 35,690.03 = 14,684.31 : x
  2. Step 2: Convert to fraction form
    25,862.31/35,690.03 = 14,684.31/x
  3. Step 3: Cross multiply
    25,862.31x = 35,690.03 × 14,684.31
  4. Step 4: Simplify right side
    25,862.31x = 524,083,464.43
  5. Step 5: Solve for x
    x = 524,083,464.43/25,862.31
  6. Step 6: Final answer
    x = 20,264.37

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1.5x scale

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.