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Finding the Fourth Proportional to 9,775.59, 14,663.36 and 2,755.59

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Solution

The fourth proportional to 9,775.59, 14,663.36 and 2,755.59 is: 4,133.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,775.59 : 14,663.36 = 2,755.59 : x
  2. Step 2: Convert to fraction form
    9,775.59/14,663.36 = 2,755.59/x
  3. Step 3: Cross multiply
    9,775.59x = 14,663.36 × 2,755.59
  4. Step 4: Simplify right side
    9,775.59x = 40,406,160.08
  5. Step 5: Solve for x
    x = 40,406,160.08/9,775.59
  6. Step 6: Final answer
    x = 4,133.37

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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.