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Finding the Fourth Proportional to 29,779.68, 44,662.68 and 8,714.28

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Solution

The fourth proportional to 29,779.68, 44,662.68 and 8,714.28 is: 13,069.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,779.68 : 44,662.68 = 8,714.28 : x
  2. Step 2: Convert to fraction form
    29,779.68/44,662.68 = 8,714.28/x
  3. Step 3: Cross multiply
    29,779.68x = 44,662.68 × 8,714.28
  4. Step 4: Simplify right side
    29,779.68x = 389,203,099.07
  5. Step 5: Solve for x
    x = 389,203,099.07/29,779.68
  6. Step 6: Final answer
    x = 13,069.42

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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.