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Finding the Fourth Proportional to 5,779.24, 8,669.40 and 1,619.24

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Solution

The fourth proportional to 5,779.24, 8,669.40 and 1,619.24 is: 2,429.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.24 : 8,669.40 = 1,619.24 : x
  2. Step 2: Convert to fraction form
    5,779.24/8,669.40 = 1,619.24/x
  3. Step 3: Cross multiply
    5,779.24x = 8,669.40 × 1,619.24
  4. Step 4: Simplify right side
    5,779.24x = 14,037,839.26
  5. Step 5: Solve for x
    x = 14,037,839.26/5,779.24
  6. Step 6: Final answer
    x = 2,429.01

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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.