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Finding the Fourth Proportional to 4,502.08, 6,721.68 and 3,885.12

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Solution

The fourth proportional to 4,502.08, 6,721.68 and 3,885.12 is: 5,800.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,502.08 : 6,721.68 = 3,885.12 : x
  2. Step 2: Convert to fraction form
    4,502.08/6,721.68 = 3,885.12/x
  3. Step 3: Cross multiply
    4,502.08x = 6,721.68 × 3,885.12
  4. Step 4: Simplify right side
    4,502.08x = 26,114,533.40
  5. Step 5: Solve for x
    x = 26,114,533.40/4,502.08
  6. Step 6: Final answer
    x = 5,800.55

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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.