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Finding the Fourth Proportional to 35,711.83, 49,282.83 and 19,580.66

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Solution

The fourth proportional to 35,711.83, 49,282.83 and 19,580.66 is: 27,021.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,711.83 : 49,282.83 = 19,580.66 : x
  2. Step 2: Convert to fraction form
    35,711.83/49,282.83 = 19,580.66/x
  3. Step 3: Cross multiply
    35,711.83x = 49,282.83 × 19,580.66
  4. Step 4: Simplify right side
    35,711.83x = 964,990,338.07
  5. Step 5: Solve for x
    x = 964,990,338.07/35,711.83
  6. Step 6: Final answer
    x = 27,021.59

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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.