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Finding the Fourth Proportional to 7,916.06, 10,924.04 and 4,379.19

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Solution

The fourth proportional to 7,916.06, 10,924.04 and 4,379.19 is: 6,043.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.06 : 10,924.04 = 4,379.19 : x
  2. Step 2: Convert to fraction form
    7,916.06/10,924.04 = 4,379.19/x
  3. Step 3: Cross multiply
    7,916.06x = 10,924.04 × 4,379.19
  4. Step 4: Simplify right side
    7,916.06x = 47,838,446.73
  5. Step 5: Solve for x
    x = 47,838,446.73/7,916.06
  6. Step 6: Final answer
    x = 6,043.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.