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Finding the Fourth Proportional to 4,005.65, 6,008.47 and 2,916.94

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Solution

The fourth proportional to 4,005.65, 6,008.47 and 2,916.94 is: 4,375.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005.65 : 6,008.47 = 2,916.94 : x
  2. Step 2: Convert to fraction form
    4,005.65/6,008.47 = 2,916.94/x
  3. Step 3: Cross multiply
    4,005.65x = 6,008.47 × 2,916.94
  4. Step 4: Simplify right side
    4,005.65x = 17,526,353.77
  5. Step 5: Solve for x
    x = 17,526,353.77/4,005.65
  6. Step 6: Final answer
    x = 4,375.41

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1.5x scale

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.