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Finding the Fourth Proportional to 25,835.12, 35,651.04 and 14,657.12

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Solution

The fourth proportional to 25,835.12, 35,651.04 and 14,657.12 is: 20,226.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,835.12 : 35,651.04 = 14,657.12 : x
  2. Step 2: Convert to fraction form
    25,835.12/35,651.04 = 14,657.12/x
  3. Step 3: Cross multiply
    25,835.12x = 35,651.04 × 14,657.12
  4. Step 4: Simplify right side
    25,835.12x = 522,541,571.40
  5. Step 5: Solve for x
    x = 522,541,571.40/25,835.12
  6. Step 6: Final answer
    x = 20,226.02

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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.