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Finding the Fourth Proportional to 10,361.58, 15,548.85 and 4,205.58

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Solution

The fourth proportional to 10,361.58, 15,548.85 and 4,205.58 is: 6,311.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361.58 : 15,548.85 = 4,205.58 : x
  2. Step 2: Convert to fraction form
    10,361.58/15,548.85 = 4,205.58/x
  3. Step 3: Cross multiply
    10,361.58x = 15,548.85 × 4,205.58
  4. Step 4: Simplify right side
    10,361.58x = 65,391,932.58
  5. Step 5: Solve for x
    x = 65,391,932.58/10,361.58
  6. Step 6: Final answer
    x = 6,311.00

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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.