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Finding the Fourth Proportional to 7,773, 10,726.79 and 4,236.45

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Solution

The fourth proportional to 7,773, 10,726.79 and 4,236.45 is: 5,846.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,773 : 10,726.79 = 4,236.45 : x
  2. Step 2: Convert to fraction form
    7,773/10,726.79 = 4,236.45/x
  3. Step 3: Cross multiply
    7,773x = 10,726.79 × 4,236.45
  4. Step 4: Simplify right side
    7,773x = 45,443,488.31
  5. Step 5: Solve for x
    x = 45,443,488.31/7,773
  6. Step 6: Final answer
    x = 5,846.33

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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.