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Finding the Fourth Proportional to 4,699.92, 7,048.16 and 2,104.64

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Solution

The fourth proportional to 4,699.92, 7,048.16 and 2,104.64 is: 3,156.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,699.92 : 7,048.16 = 2,104.64 : x
  2. Step 2: Convert to fraction form
    4,699.92/7,048.16 = 2,104.64/x
  3. Step 3: Cross multiply
    4,699.92x = 7,048.16 × 2,104.64
  4. Step 4: Simplify right side
    4,699.92x = 14,833,839.46
  5. Step 5: Solve for x
    x = 14,833,839.46/4,699.92
  6. Step 6: Final answer
    x = 3,156.19

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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.