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Finding the Fourth Proportional to 9,779.37, 14,673.17 and 4,229.88

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Solution

The fourth proportional to 9,779.37, 14,673.17 and 4,229.88 is: 6,346.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,779.37 : 14,673.17 = 4,229.88 : x
  2. Step 2: Convert to fraction form
    9,779.37/14,673.17 = 4,229.88/x
  3. Step 3: Cross multiply
    9,779.37x = 14,673.17 × 4,229.88
  4. Step 4: Simplify right side
    9,779.37x = 62,065,748.32
  5. Step 5: Solve for x
    x = 62,065,748.32/9,779.37
  6. Step 6: Final answer
    x = 6,346.60

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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.