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Finding the Fourth Proportional to 6,025, 9,038.04 and 1,921

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Solution

The fourth proportional to 6,025, 9,038.04 and 1,921 is: 2,881.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,025 : 9,038.04 = 1,921 : x
  2. Step 2: Convert to fraction form
    6,025/9,038.04 = 1,921/x
  3. Step 3: Cross multiply
    6,025x = 9,038.04 × 1,921
  4. Step 4: Simplify right side
    6,025x = 17,362,074.84
  5. Step 5: Solve for x
    x = 17,362,074.84/6,025
  6. Step 6: Final answer
    x = 2,881.67

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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.