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Finding the Fourth Proportional to 9,705.68, 14,552.76 and 3,865.04

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Solution

The fourth proportional to 9,705.68, 14,552.76 and 3,865.04 is: 5,795.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,705.68 : 14,552.76 = 3,865.04 : x
  2. Step 2: Convert to fraction form
    9,705.68/14,552.76 = 3,865.04/x
  3. Step 3: Cross multiply
    9,705.68x = 14,552.76 × 3,865.04
  4. Step 4: Simplify right side
    9,705.68x = 56,246,999.51
  5. Step 5: Solve for x
    x = 56,246,999.51/9,705.68
  6. Step 6: Final answer
    x = 5,795.27

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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.