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Finding the Fourth Proportional to 4,395.60, 6,594.64 and 1,800.40

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Solution

The fourth proportional to 4,395.60, 6,594.64 and 1,800.40 is: 2,701.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,395.60 : 6,594.64 = 1,800.40 : x
  2. Step 2: Convert to fraction form
    4,395.60/6,594.64 = 1,800.40/x
  3. Step 3: Cross multiply
    4,395.60x = 6,594.64 × 1,800.40
  4. Step 4: Simplify right side
    4,395.60x = 11,872,989.86
  5. Step 5: Solve for x
    x = 11,872,989.86/4,395.60
  6. Step 6: Final answer
    x = 2,701.11

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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.