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Finding the Fourth Proportional to 49,525.86, 74,290.23 and 12,589.86

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Solution

The fourth proportional to 49,525.86, 74,290.23 and 12,589.86 is: 18,885.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,525.86 : 74,290.23 = 12,589.86 : x
  2. Step 2: Convert to fraction form
    49,525.86/74,290.23 = 12,589.86/x
  3. Step 3: Cross multiply
    49,525.86x = 74,290.23 × 12,589.86
  4. Step 4: Simplify right side
    49,525.86x = 935,303,595.07
  5. Step 5: Solve for x
    x = 935,303,595.07/49,525.86
  6. Step 6: Final answer
    x = 18,885.16

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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.