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Finding the Fourth Proportional to 5,611.46, 8,417.18 and 1,507.46

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Solution

The fourth proportional to 5,611.46, 8,417.18 and 1,507.46 is: 2,261.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.46 : 8,417.18 = 1,507.46 : x
  2. Step 2: Convert to fraction form
    5,611.46/8,417.18 = 1,507.46/x
  3. Step 3: Cross multiply
    5,611.46x = 8,417.18 × 1,507.46
  4. Step 4: Simplify right side
    5,611.46x = 12,688,562.16
  5. Step 5: Solve for x
    x = 12,688,562.16/5,611.46
  6. Step 6: Final answer
    x = 2,261.19

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Similar ratio
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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.