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Finding the Fourth Proportional to 9,779.64, 13,495.44 and 5,799.24

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Solution

The fourth proportional to 9,779.64, 13,495.44 and 5,799.24 is: 8,002.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,779.64 : 13,495.44 = 5,799.24 : x
  2. Step 2: Convert to fraction form
    9,779.64/13,495.44 = 5,799.24/x
  3. Step 3: Cross multiply
    9,779.64x = 13,495.44 × 5,799.24
  4. Step 4: Simplify right side
    9,779.64x = 78,263,295.47
  5. Step 5: Solve for x
    x = 78,263,295.47/9,779.64
  6. Step 6: Final answer
    x = 8,002.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.