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Finding the Fourth Proportional to 5,804.55, 8,703.86 and 1,908.45

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Solution

The fourth proportional to 5,804.55, 8,703.86 and 1,908.45 is: 2,861.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,804.55 : 8,703.86 = 1,908.45 : x
  2. Step 2: Convert to fraction form
    5,804.55/8,703.86 = 1,908.45/x
  3. Step 3: Cross multiply
    5,804.55x = 8,703.86 × 1,908.45
  4. Step 4: Simplify right side
    5,804.55x = 16,610,872.07
  5. Step 5: Solve for x
    x = 16,610,872.07/5,804.55
  6. Step 6: Final answer
    x = 2,861.70

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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.