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Finding the Fourth Proportional to 7,038.34, 10,554.10 and 2,876.69

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Solution

The fourth proportional to 7,038.34, 10,554.10 and 2,876.69 is: 4,313.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,038.34 : 10,554.10 = 2,876.69 : x
  2. Step 2: Convert to fraction form
    7,038.34/10,554.10 = 2,876.69/x
  3. Step 3: Cross multiply
    7,038.34x = 10,554.10 × 2,876.69
  4. Step 4: Simplify right side
    7,038.34x = 30,360,893.12
  5. Step 5: Solve for x
    x = 30,360,893.12/7,038.34
  6. Step 6: Final answer
    x = 4,313.65

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