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Finding the Fourth Proportional to 4,323.63, 6,480.03 and 1,855.58

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Solution

The fourth proportional to 4,323.63, 6,480.03 and 1,855.58 is: 2,781.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,323.63 : 6,480.03 = 1,855.58 : x
  2. Step 2: Convert to fraction form
    4,323.63/6,480.03 = 1,855.58/x
  3. Step 3: Cross multiply
    4,323.63x = 6,480.03 × 1,855.58
  4. Step 4: Simplify right side
    4,323.63x = 12,024,214.07
  5. Step 5: Solve for x
    x = 12,024,214.07/4,323.63
  6. Step 6: Final answer
    x = 2,781.05

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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.