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Finding the Fourth Proportional to 5,036.92, 7,555.38 and 1,916.19

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Solution

The fourth proportional to 5,036.92, 7,555.38 and 1,916.19 is: 2,874.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,036.92 : 7,555.38 = 1,916.19 : x
  2. Step 2: Convert to fraction form
    5,036.92/7,555.38 = 1,916.19/x
  3. Step 3: Cross multiply
    5,036.92x = 7,555.38 × 1,916.19
  4. Step 4: Simplify right side
    5,036.92x = 14,477,543.60
  5. Step 5: Solve for x
    x = 14,477,543.60/5,036.92
  6. Step 6: Final answer
    x = 2,874.29

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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.