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Finding the Fourth Proportional to 26,493.77, 39,746.81 and 7,773.05

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Solution

The fourth proportional to 26,493.77, 39,746.81 and 7,773.05 is: 11,661.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,493.77 : 39,746.81 = 7,773.05 : x
  2. Step 2: Convert to fraction form
    26,493.77/39,746.81 = 7,773.05/x
  3. Step 3: Cross multiply
    26,493.77x = 39,746.81 × 7,773.05
  4. Step 4: Simplify right side
    26,493.77x = 308,953,941.47
  5. Step 5: Solve for x
    x = 308,953,941.47/26,493.77
  6. Step 6: Final answer
    x = 11,661.38

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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.