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Finding the Fourth Proportional to 24,939.65, 34,415.65 and 13,608.87

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Solution

The fourth proportional to 24,939.65, 34,415.65 and 13,608.87 is: 18,779.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,939.65 : 34,415.65 = 13,608.87 : x
  2. Step 2: Convert to fraction form
    24,939.65/34,415.65 = 13,608.87/x
  3. Step 3: Cross multiply
    24,939.65x = 34,415.65 × 13,608.87
  4. Step 4: Simplify right side
    24,939.65x = 468,357,994.77
  5. Step 5: Solve for x
    x = 468,357,994.77/24,939.65
  6. Step 6: Final answer
    x = 18,779.65

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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.