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Finding the Fourth Proportional to 16,671.95, 24,994.87 and 8,347.79

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Solution

The fourth proportional to 16,671.95, 24,994.87 and 8,347.79 is: 12,515.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,671.95 : 24,994.87 = 8,347.79 : x
  2. Step 2: Convert to fraction form
    16,671.95/24,994.87 = 8,347.79/x
  3. Step 3: Cross multiply
    16,671.95x = 24,994.87 × 8,347.79
  4. Step 4: Simplify right side
    16,671.95x = 208,651,779.99
  5. Step 5: Solve for x
    x = 208,651,779.99/16,671.95
  6. Step 6: Final answer
    x = 12,515.14

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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.