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Finding the Fourth Proportional to 35,706.56, 49,278.63 and 19,794.07

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Solution

The fourth proportional to 35,706.56, 49,278.63 and 19,794.07 is: 27,317.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,706.56 : 49,278.63 = 19,794.07 : x
  2. Step 2: Convert to fraction form
    35,706.56/49,278.63 = 19,794.07/x
  3. Step 3: Cross multiply
    35,706.56x = 49,278.63 × 19,794.07
  4. Step 4: Simplify right side
    35,706.56x = 975,424,676.21
  5. Step 5: Solve for x
    x = 975,424,676.21/35,706.56
  6. Step 6: Final answer
    x = 27,317.80

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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.