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Finding the Fourth Proportional to 9,375.46, 14,070.03 and 6,916.90

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Solution

The fourth proportional to 9,375.46, 14,070.03 and 6,916.90 is: 10,380.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,375.46 : 14,070.03 = 6,916.90 : x
  2. Step 2: Convert to fraction form
    9,375.46/14,070.03 = 6,916.90/x
  3. Step 3: Cross multiply
    9,375.46x = 14,070.03 × 6,916.90
  4. Step 4: Simplify right side
    9,375.46x = 97,320,990.51
  5. Step 5: Solve for x
    x = 97,320,990.51/9,375.46
  6. Step 6: Final answer
    x = 10,380.40

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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.