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Finding the Fourth Proportional to 6,828.58, 10,235.58 and 4,874.86

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Solution

The fourth proportional to 6,828.58, 10,235.58 and 4,874.86 is: 7,307.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,828.58 : 10,235.58 = 4,874.86 : x
  2. Step 2: Convert to fraction form
    6,828.58/10,235.58 = 4,874.86/x
  3. Step 3: Cross multiply
    6,828.58x = 10,235.58 × 4,874.86
  4. Step 4: Simplify right side
    6,828.58x = 49,897,019.52
  5. Step 5: Solve for x
    x = 49,897,019.52/6,828.58
  6. Step 6: Final answer
    x = 7,307.09

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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.