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Finding the Fourth Proportional to 1,184.51, 1,774.74 and 635.06

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Solution

The fourth proportional to 1,184.51, 1,774.74 and 635.06 is: 951.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.51 : 1,774.74 = 635.06 : x
  2. Step 2: Convert to fraction form
    1,184.51/1,774.74 = 635.06/x
  3. Step 3: Cross multiply
    1,184.51x = 1,774.74 × 635.06
  4. Step 4: Simplify right side
    1,184.51x = 1,127,066.38
  5. Step 5: Solve for x
    x = 1,127,066.38/1,184.51
  6. Step 6: Final answer
    x = 951.50

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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.