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Finding the Fourth Proportional to 4,608.79, 6,917.64 and 4,359.04

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Solution

The fourth proportional to 4,608.79, 6,917.64 and 4,359.04 is: 6,542.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,608.79 : 6,917.64 = 4,359.04 : x
  2. Step 2: Convert to fraction form
    4,608.79/6,917.64 = 4,359.04/x
  3. Step 3: Cross multiply
    4,608.79x = 6,917.64 × 4,359.04
  4. Step 4: Simplify right side
    4,608.79x = 30,154,235.83
  5. Step 5: Solve for x
    x = 30,154,235.83/4,608.79
  6. Step 6: Final answer
    x = 6,542.77

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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.