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Finding the Fourth Proportional to 14,592, 20,140.56 and 8,308.08

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Solution

The fourth proportional to 14,592, 20,140.56 and 8,308.08 is: 11,467.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,592 : 20,140.56 = 8,308.08 : x
  2. Step 2: Convert to fraction form
    14,592/20,140.56 = 8,308.08/x
  3. Step 3: Cross multiply
    14,592x = 20,140.56 × 8,308.08
  4. Step 4: Simplify right side
    14,592x = 167,329,383.72
  5. Step 5: Solve for x
    x = 167,329,383.72/14,592
  6. Step 6: Final answer
    x = 11,467.20

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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.