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Finding the Fourth Proportional to 7,654.86, 10,562.85 and 4,296.99

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Solution

The fourth proportional to 7,654.86, 10,562.85 and 4,296.99 is: 5,929.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,654.86 : 10,562.85 = 4,296.99 : x
  2. Step 2: Convert to fraction form
    7,654.86/10,562.85 = 4,296.99/x
  3. Step 3: Cross multiply
    7,654.86x = 10,562.85 × 4,296.99
  4. Step 4: Simplify right side
    7,654.86x = 45,388,460.82
  5. Step 5: Solve for x
    x = 45,388,460.82/7,654.86
  6. Step 6: Final answer
    x = 5,929.37

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1.5x scale

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.