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Finding the Fourth Proportional to 5,809.77, 8,715.23 and 1,860.04

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Solution

The fourth proportional to 5,809.77, 8,715.23 and 1,860.04 is: 2,790.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.77 : 8,715.23 = 1,860.04 : x
  2. Step 2: Convert to fraction form
    5,809.77/8,715.23 = 1,860.04/x
  3. Step 3: Cross multiply
    5,809.77x = 8,715.23 × 1,860.04
  4. Step 4: Simplify right side
    5,809.77x = 16,210,649.93
  5. Step 5: Solve for x
    x = 16,210,649.93/5,809.77
  6. Step 6: Final answer
    x = 2,790.24

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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.