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Finding the Fourth Proportional to 1,482.17, 2,210.18 and 1,381.64

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Solution

The fourth proportional to 1,482.17, 2,210.18 and 1,381.64 is: 2,060.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482.17 : 2,210.18 = 1,381.64 : x
  2. Step 2: Convert to fraction form
    1,482.17/2,210.18 = 1,381.64/x
  3. Step 3: Cross multiply
    1,482.17x = 2,210.18 × 1,381.64
  4. Step 4: Simplify right side
    1,482.17x = 3,053,655.14
  5. Step 5: Solve for x
    x = 3,053,655.14/1,482.17
  6. Step 6: Final answer
    x = 2,060.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.