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Finding the Fourth Proportional to 35,769, 49,361.22 and 19,856.01

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Solution

The fourth proportional to 35,769, 49,361.22 and 19,856.01 is: 27,401.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,769 : 49,361.22 = 19,856.01 : x
  2. Step 2: Convert to fraction form
    35,769/49,361.22 = 19,856.01/x
  3. Step 3: Cross multiply
    35,769x = 49,361.22 × 19,856.01
  4. Step 4: Simplify right side
    35,769x = 980,116,877.93
  5. Step 5: Solve for x
    x = 980,116,877.93/35,769
  6. Step 6: Final answer
    x = 27,401.29

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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.