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Finding the Fourth Proportional to 3,482.73, 4,806.48 and 1,911.13

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Solution

The fourth proportional to 3,482.73, 4,806.48 and 1,911.13 is: 2,637.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,482.73 : 4,806.48 = 1,911.13 : x
  2. Step 2: Convert to fraction form
    3,482.73/4,806.48 = 1,911.13/x
  3. Step 3: Cross multiply
    3,482.73x = 4,806.48 × 1,911.13
  4. Step 4: Simplify right side
    3,482.73x = 9,185,808.12
  5. Step 5: Solve for x
    x = 9,185,808.12/3,482.73
  6. Step 6: Final answer
    x = 2,637.53

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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.