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Finding the Fourth Proportional to 3,528.04, 4,868.62 and 1,956.04

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Solution

The fourth proportional to 3,528.04, 4,868.62 and 1,956.04 is: 2,699.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.04 : 4,868.62 = 1,956.04 : x
  2. Step 2: Convert to fraction form
    3,528.04/4,868.62 = 1,956.04/x
  3. Step 3: Cross multiply
    3,528.04x = 4,868.62 × 1,956.04
  4. Step 4: Simplify right side
    3,528.04x = 9,523,215.46
  5. Step 5: Solve for x
    x = 9,523,215.46/3,528.04
  6. Step 6: Final answer
    x = 2,699.29

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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.