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Finding the Fourth Proportional to 16,443.54, 24,682.74 and 13,360.74

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Solution

The fourth proportional to 16,443.54, 24,682.74 and 13,360.74 is: 20,055.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,443.54 : 24,682.74 = 13,360.74 : x
  2. Step 2: Convert to fraction form
    16,443.54/24,682.74 = 13,360.74/x
  3. Step 3: Cross multiply
    16,443.54x = 24,682.74 × 13,360.74
  4. Step 4: Simplify right side
    16,443.54x = 329,779,671.63
  5. Step 5: Solve for x
    x = 329,779,671.63/16,443.54
  6. Step 6: Final answer
    x = 20,055.27

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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.