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Finding the Fourth Proportional to 11,157.90, 16,710.03 and 5,604

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Solution

The fourth proportional to 11,157.90, 16,710.03 and 5,604 is: 8,392.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.90 : 16,710.03 = 5,604 : x
  2. Step 2: Convert to fraction form
    11,157.90/16,710.03 = 5,604/x
  3. Step 3: Cross multiply
    11,157.90x = 16,710.03 × 5,604
  4. Step 4: Simplify right side
    11,157.90x = 93,643,008.12
  5. Step 5: Solve for x
    x = 93,643,008.12/11,157.90
  6. Step 6: Final answer
    x = 8,392.53

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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.