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Finding the Fourth Proportional to 7,773.48, 10,726.98 and 4,461.48

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Solution

The fourth proportional to 7,773.48, 10,726.98 and 4,461.48 is: 6,156.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,773.48 : 10,726.98 = 4,461.48 : x
  2. Step 2: Convert to fraction form
    7,773.48/10,726.98 = 4,461.48/x
  3. Step 3: Cross multiply
    7,773.48x = 10,726.98 × 4,461.48
  4. Step 4: Simplify right side
    7,773.48x = 47,858,206.73
  5. Step 5: Solve for x
    x = 47,858,206.73/7,773.48
  6. Step 6: Final answer
    x = 6,156.60

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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.