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Finding the Fourth Proportional to 5,330.84, 7,356.58 and 2,973.16

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Solution

The fourth proportional to 5,330.84, 7,356.58 and 2,973.16 is: 4,102.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.84 : 7,356.58 = 2,973.16 : x
  2. Step 2: Convert to fraction form
    5,330.84/7,356.58 = 2,973.16/x
  3. Step 3: Cross multiply
    5,330.84x = 7,356.58 × 2,973.16
  4. Step 4: Simplify right side
    5,330.84x = 21,872,289.39
  5. Step 5: Solve for x
    x = 21,872,289.39/5,330.84
  6. Step 6: Final answer
    x = 4,102.97

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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.