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Finding the Fourth Proportional to 3,546.55, 4,894.20 and 1,953.17

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Solution

The fourth proportional to 3,546.55, 4,894.20 and 1,953.17 is: 2,695.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,546.55 : 4,894.20 = 1,953.17 : x
  2. Step 2: Convert to fraction form
    3,546.55/4,894.20 = 1,953.17/x
  3. Step 3: Cross multiply
    3,546.55x = 4,894.20 × 1,953.17
  4. Step 4: Simplify right side
    3,546.55x = 9,559,180.14
  5. Step 5: Solve for x
    x = 9,559,180.14/3,546.55
  6. Step 6: Final answer
    x = 2,695.35

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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.