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Finding the Fourth Proportional to 6,361.17, 8,779.46 and 3,529.45

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Solution

The fourth proportional to 6,361.17, 8,779.46 and 3,529.45 is: 4,871.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,361.17 : 8,779.46 = 3,529.45 : x
  2. Step 2: Convert to fraction form
    6,361.17/8,779.46 = 3,529.45/x
  3. Step 3: Cross multiply
    6,361.17x = 8,779.46 × 3,529.45
  4. Step 4: Simplify right side
    6,361.17x = 30,986,681.02
  5. Step 5: Solve for x
    x = 30,986,681.02/6,361.17
  6. Step 6: Final answer
    x = 4,871.23

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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.