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Finding the Fourth Proportional to 4,827.66, 7,242.02 and 1,539.98

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Solution

The fourth proportional to 4,827.66, 7,242.02 and 1,539.98 is: 2,310.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,827.66 : 7,242.02 = 1,539.98 : x
  2. Step 2: Convert to fraction form
    4,827.66/7,242.02 = 1,539.98/x
  3. Step 3: Cross multiply
    4,827.66x = 7,242.02 × 1,539.98
  4. Step 4: Simplify right side
    4,827.66x = 11,152,565.96
  5. Step 5: Solve for x
    x = 11,152,565.96/4,827.66
  6. Step 6: Final answer
    x = 2,310.14

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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.