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Finding the Fourth Proportional to 3,023.68, 4,172.98 and 1,845.54

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Solution

The fourth proportional to 3,023.68, 4,172.98 and 1,845.54 is: 2,547.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.68 : 4,172.98 = 1,845.54 : x
  2. Step 2: Convert to fraction form
    3,023.68/4,172.98 = 1,845.54/x
  3. Step 3: Cross multiply
    3,023.68x = 4,172.98 × 1,845.54
  4. Step 4: Simplify right side
    3,023.68x = 7,701,401.51
  5. Step 5: Solve for x
    x = 7,701,401.51/3,023.68
  6. Step 6: Final answer
    x = 2,547.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.