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Finding the Fourth Proportional to 1,950.17, 2,925.50 and 764.06

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Solution

The fourth proportional to 1,950.17, 2,925.50 and 764.06 is: 1,146.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950.17 : 2,925.50 = 764.06 : x
  2. Step 2: Convert to fraction form
    1,950.17/2,925.50 = 764.06/x
  3. Step 3: Cross multiply
    1,950.17x = 2,925.50 × 764.06
  4. Step 4: Simplify right side
    1,950.17x = 2,235,242.90
  5. Step 5: Solve for x
    x = 2,235,242.90/1,950.17
  6. Step 6: Final answer
    x = 1,146.18

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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.