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Finding the Fourth Proportional to 3,495.86, 4,823.91 and 1,923.86

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Solution

The fourth proportional to 3,495.86, 4,823.91 and 1,923.86 is: 2,654.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,495.86 : 4,823.91 = 1,923.86 : x
  2. Step 2: Convert to fraction form
    3,495.86/4,823.91 = 1,923.86/x
  3. Step 3: Cross multiply
    3,495.86x = 4,823.91 × 1,923.86
  4. Step 4: Simplify right side
    3,495.86x = 9,280,527.49
  5. Step 5: Solve for x
    x = 9,280,527.49/3,495.86
  6. Step 6: Final answer
    x = 2,654.72

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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.