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Finding the Fourth Proportional to 23,612.80, 35,408.40 and 10,458.40

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Solution

The fourth proportional to 23,612.80, 35,408.40 and 10,458.40 is: 15,682.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,612.80 : 35,408.40 = 10,458.40 : x
  2. Step 2: Convert to fraction form
    23,612.80/35,408.40 = 10,458.40/x
  3. Step 3: Cross multiply
    23,612.80x = 35,408.40 × 10,458.40
  4. Step 4: Simplify right side
    23,612.80x = 370,315,210.56
  5. Step 5: Solve for x
    x = 370,315,210.56/23,612.80
  6. Step 6: Final answer
    x = 15,682.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.