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Finding the Fourth Proportional to 7,308.78, 10,962.23 and 2,926.28

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Solution

The fourth proportional to 7,308.78, 10,962.23 and 2,926.28 is: 4,389.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,308.78 : 10,962.23 = 2,926.28 : x
  2. Step 2: Convert to fraction form
    7,308.78/10,962.23 = 2,926.28/x
  3. Step 3: Cross multiply
    7,308.78x = 10,962.23 × 2,926.28
  4. Step 4: Simplify right side
    7,308.78x = 32,078,484.96
  5. Step 5: Solve for x
    x = 32,078,484.96/7,308.78
  6. Step 6: Final answer
    x = 4,389.03

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1.5x scale

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.