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Finding the Fourth Proportional to 4,915.99, 6,783.83 and 2,677.86

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Solution

The fourth proportional to 4,915.99, 6,783.83 and 2,677.86 is: 3,695.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.99 : 6,783.83 = 2,677.86 : x
  2. Step 2: Convert to fraction form
    4,915.99/6,783.83 = 2,677.86/x
  3. Step 3: Cross multiply
    4,915.99x = 6,783.83 × 2,677.86
  4. Step 4: Simplify right side
    4,915.99x = 18,166,147.00
  5. Step 5: Solve for x
    x = 18,166,147.00/4,915.99
  6. Step 6: Final answer
    x = 3,695.32

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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.