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Finding the Fourth Proportional to 1,774.01, 2,446.88 and 1,506.61

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Solution

The fourth proportional to 1,774.01, 2,446.88 and 1,506.61 is: 2,078.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.01 : 2,446.88 = 1,506.61 : x
  2. Step 2: Convert to fraction form
    1,774.01/2,446.88 = 1,506.61/x
  3. Step 3: Cross multiply
    1,774.01x = 2,446.88 × 1,506.61
  4. Step 4: Simplify right side
    1,774.01x = 3,686,474.11
  5. Step 5: Solve for x
    x = 3,686,474.11/1,774.01
  6. Step 6: Final answer
    x = 2,078.05

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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.