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Finding the Fourth Proportional to 34,779.54, 52,169.73 and 9,820.20

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Solution

The fourth proportional to 34,779.54, 52,169.73 and 9,820.20 is: 14,730.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,779.54 : 52,169.73 = 9,820.20 : x
  2. Step 2: Convert to fraction form
    34,779.54/52,169.73 = 9,820.20/x
  3. Step 3: Cross multiply
    34,779.54x = 52,169.73 × 9,820.20
  4. Step 4: Simplify right side
    34,779.54x = 512,317,182.55
  5. Step 5: Solve for x
    x = 512,317,182.55/34,779.54
  6. Step 6: Final answer
    x = 14,730.42

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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.