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Finding the Fourth Proportional to 30,595.41, 45,868.41 and 11,865.78

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Solution

The fourth proportional to 30,595.41, 45,868.41 and 11,865.78 is: 17,789.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,595.41 : 45,868.41 = 11,865.78 : x
  2. Step 2: Convert to fraction form
    30,595.41/45,868.41 = 11,865.78/x
  3. Step 3: Cross multiply
    30,595.41x = 45,868.41 × 11,865.78
  4. Step 4: Simplify right side
    30,595.41x = 544,264,462.01
  5. Step 5: Solve for x
    x = 544,264,462.01/30,595.41
  6. Step 6: Final answer
    x = 17,789.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.