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Finding the Fourth Proportional to 1,482.06, 2,223.24 and 751.18

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Solution

The fourth proportional to 1,482.06, 2,223.24 and 751.18 is: 1,126.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482.06 : 2,223.24 = 751.18 : x
  2. Step 2: Convert to fraction form
    1,482.06/2,223.24 = 751.18/x
  3. Step 3: Cross multiply
    1,482.06x = 2,223.24 × 751.18
  4. Step 4: Simplify right side
    1,482.06x = 1,670,053.42
  5. Step 5: Solve for x
    x = 1,670,053.42/1,482.06
  6. Step 6: Final answer
    x = 1,126.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.