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Finding the Fourth Proportional to 35,783.48, 49,381.41 and 19,651.48

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Solution

The fourth proportional to 35,783.48, 49,381.41 and 19,651.48 is: 27,119.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,783.48 : 49,381.41 = 19,651.48 : x
  2. Step 2: Convert to fraction form
    35,783.48/49,381.41 = 19,651.48/x
  3. Step 3: Cross multiply
    35,783.48x = 49,381.41 × 19,651.48
  4. Step 4: Simplify right side
    35,783.48x = 970,417,790.99
  5. Step 5: Solve for x
    x = 970,417,790.99/35,783.48
  6. Step 6: Final answer
    x = 27,119.16

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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.