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Finding the Fourth Proportional to 35,609.67, 49,139.35 and 19,473.78

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Solution

The fourth proportional to 35,609.67, 49,139.35 and 19,473.78 is: 26,872.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,609.67 : 49,139.35 = 19,473.78 : x
  2. Step 2: Convert to fraction form
    35,609.67/49,139.35 = 19,473.78/x
  3. Step 3: Cross multiply
    35,609.67x = 49,139.35 × 19,473.78
  4. Step 4: Simplify right side
    35,609.67x = 956,928,645.55
  5. Step 5: Solve for x
    x = 956,928,645.55/35,609.67
  6. Step 6: Final answer
    x = 26,872.72

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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.