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Finding the Fourth Proportional to 5,807.55, 8,705.12 and 2,683.92

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Solution

The fourth proportional to 5,807.55, 8,705.12 and 2,683.92 is: 4,023.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,807.55 : 8,705.12 = 2,683.92 : x
  2. Step 2: Convert to fraction form
    5,807.55/8,705.12 = 2,683.92/x
  3. Step 3: Cross multiply
    5,807.55x = 8,705.12 × 2,683.92
  4. Step 4: Simplify right side
    5,807.55x = 23,363,832.25
  5. Step 5: Solve for x
    x = 23,363,832.25/5,807.55
  6. Step 6: Final answer
    x = 4,023.01

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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.