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Finding the Fourth Proportional to 4,776.52, 7,115.52 and 4,631.43

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Solution

The fourth proportional to 4,776.52, 7,115.52 and 4,631.43 is: 6,899.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,776.52 : 7,115.52 = 4,631.43 : x
  2. Step 2: Convert to fraction form
    4,776.52/7,115.52 = 4,631.43/x
  3. Step 3: Cross multiply
    4,776.52x = 7,115.52 × 4,631.43
  4. Step 4: Simplify right side
    4,776.52x = 32,955,032.79
  5. Step 5: Solve for x
    x = 32,955,032.79/4,776.52
  6. Step 6: Final answer
    x = 6,899.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.