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Finding the Fourth Proportional to 3,218.08, 4,827.12 and 3,060.66

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Solution

The fourth proportional to 3,218.08, 4,827.12 and 3,060.66 is: 4,590.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.08 : 4,827.12 = 3,060.66 : x
  2. Step 2: Convert to fraction form
    3,218.08/4,827.12 = 3,060.66/x
  3. Step 3: Cross multiply
    3,218.08x = 4,827.12 × 3,060.66
  4. Step 4: Simplify right side
    3,218.08x = 14,774,174.76
  5. Step 5: Solve for x
    x = 14,774,174.76/3,218.08
  6. Step 6: Final answer
    x = 4,590.99

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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.