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Finding the Fourth Proportional to 35,703.51, 49,272.44 and 19,786.93

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Solution

The fourth proportional to 35,703.51, 49,272.44 and 19,786.93 is: 27,306.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,703.51 : 49,272.44 = 19,786.93 : x
  2. Step 2: Convert to fraction form
    35,703.51/49,272.44 = 19,786.93/x
  3. Step 3: Cross multiply
    35,703.51x = 49,272.44 × 19,786.93
  4. Step 4: Simplify right side
    35,703.51x = 974,949,975.91
  5. Step 5: Solve for x
    x = 974,949,975.91/35,703.51
  6. Step 6: Final answer
    x = 27,306.84

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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.