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Finding the Fourth Proportional to 25,874.60, 35,700.62 and 15,799.37

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Solution

The fourth proportional to 25,874.60, 35,700.62 and 15,799.37 is: 21,799.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,874.60 : 35,700.62 = 15,799.37 : x
  2. Step 2: Convert to fraction form
    25,874.60/35,700.62 = 15,799.37/x
  3. Step 3: Cross multiply
    25,874.60x = 35,700.62 × 15,799.37
  4. Step 4: Simplify right side
    25,874.60x = 564,047,047.11
  5. Step 5: Solve for x
    x = 564,047,047.11/25,874.60
  6. Step 6: Final answer
    x = 21,799.26

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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.