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Finding the Fourth Proportional to 23,410.63, 35,115.81 and 7,828.12

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Solution

The fourth proportional to 23,410.63, 35,115.81 and 7,828.12 is: 11,742.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,410.63 : 35,115.81 = 7,828.12 : x
  2. Step 2: Convert to fraction form
    23,410.63/35,115.81 = 7,828.12/x
  3. Step 3: Cross multiply
    23,410.63x = 35,115.81 × 7,828.12
  4. Step 4: Simplify right side
    23,410.63x = 274,890,774.58
  5. Step 5: Solve for x
    x = 274,890,774.58/23,410.63
  6. Step 6: Final answer
    x = 11,742.13

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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.