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Finding the Fourth Proportional to 7,773, 10,726.74 and 4,461

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Solution

The fourth proportional to 7,773, 10,726.74 and 4,461 is: 6,156.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,773 : 10,726.74 = 4,461 : x
  2. Step 2: Convert to fraction form
    7,773/10,726.74 = 4,461/x
  3. Step 3: Cross multiply
    7,773x = 10,726.74 × 4,461
  4. Step 4: Simplify right side
    7,773x = 47,851,987.14
  5. Step 5: Solve for x
    x = 47,851,987.14/7,773
  6. Step 6: Final answer
    x = 6,156.18

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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.