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Finding the Fourth Proportional to 24,779.80, 34,187.80 and 14,161.92

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Solution

The fourth proportional to 24,779.80, 34,187.80 and 14,161.92 is: 19,538.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,779.80 : 34,187.80 = 14,161.92 : x
  2. Step 2: Convert to fraction form
    24,779.80/34,187.80 = 14,161.92/x
  3. Step 3: Cross multiply
    24,779.80x = 34,187.80 × 14,161.92
  4. Step 4: Simplify right side
    24,779.80x = 484,164,888.58
  5. Step 5: Solve for x
    x = 484,164,888.58/24,779.80
  6. Step 6: Final answer
    x = 19,538.69

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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.