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Finding the Fourth Proportional to 4,783.80, 6,598.80 and 4,251.72

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Solution

The fourth proportional to 4,783.80, 6,598.80 and 4,251.72 is: 5,864.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,783.80 : 6,598.80 = 4,251.72 : x
  2. Step 2: Convert to fraction form
    4,783.80/6,598.80 = 4,251.72/x
  3. Step 3: Cross multiply
    4,783.80x = 6,598.80 × 4,251.72
  4. Step 4: Simplify right side
    4,783.80x = 28,056,249.94
  5. Step 5: Solve for x
    x = 28,056,249.94/4,783.80
  6. Step 6: Final answer
    x = 5,864.85

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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.