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Finding the Fourth Proportional to 35,643.61, 49,188.81 and 19,512.33

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Solution

The fourth proportional to 35,643.61, 49,188.81 and 19,512.33 is: 26,927.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,643.61 : 49,188.81 = 19,512.33 : x
  2. Step 2: Convert to fraction form
    35,643.61/49,188.81 = 19,512.33/x
  3. Step 3: Cross multiply
    35,643.61x = 49,188.81 × 19,512.33
  4. Step 4: Simplify right side
    35,643.61x = 959,788,293.03
  5. Step 5: Solve for x
    x = 959,788,293.03/35,643.61
  6. Step 6: Final answer
    x = 26,927.36

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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.