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Finding the Fourth Proportional to 5,868.64, 8,802.93 and 2,405.89

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Solution

The fourth proportional to 5,868.64, 8,802.93 and 2,405.89 is: 3,608.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,868.64 : 8,802.93 = 2,405.89 : x
  2. Step 2: Convert to fraction form
    5,868.64/8,802.93 = 2,405.89/x
  3. Step 3: Cross multiply
    5,868.64x = 8,802.93 × 2,405.89
  4. Step 4: Simplify right side
    5,868.64x = 21,178,881.26
  5. Step 5: Solve for x
    x = 21,178,881.26/5,868.64
  6. Step 6: Final answer
    x = 3,608.82

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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.