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Finding the Fourth Proportional to 7,316.84, 10,973.80 and 2,636.72

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Solution

The fourth proportional to 7,316.84, 10,973.80 and 2,636.72 is: 3,954.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.84 : 10,973.80 = 2,636.72 : x
  2. Step 2: Convert to fraction form
    7,316.84/10,973.80 = 2,636.72/x
  3. Step 3: Cross multiply
    7,316.84x = 10,973.80 × 2,636.72
  4. Step 4: Simplify right side
    7,316.84x = 28,934,837.94
  5. Step 5: Solve for x
    x = 28,934,837.94/7,316.84
  6. Step 6: Final answer
    x = 3,954.55

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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.