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Finding the Fourth Proportional to 5,362.60, 7,400.84 and 2,973.16

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Solution

The fourth proportional to 5,362.60, 7,400.84 and 2,973.16 is: 4,103.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,362.60 : 7,400.84 = 2,973.16 : x
  2. Step 2: Convert to fraction form
    5,362.60/7,400.84 = 2,973.16/x
  3. Step 3: Cross multiply
    5,362.60x = 7,400.84 × 2,973.16
  4. Step 4: Simplify right side
    5,362.60x = 22,003,881.45
  5. Step 5: Solve for x
    x = 22,003,881.45/5,362.60
  6. Step 6: Final answer
    x = 4,103.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.