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Finding the Fourth Proportional to 16,219.59, 24,329.39 and 6,985.59

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Solution

The fourth proportional to 16,219.59, 24,329.39 and 6,985.59 is: 10,478.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,219.59 : 24,329.39 = 6,985.59 : x
  2. Step 2: Convert to fraction form
    16,219.59/24,329.39 = 6,985.59/x
  3. Step 3: Cross multiply
    16,219.59x = 24,329.39 × 6,985.59
  4. Step 4: Simplify right side
    16,219.59x = 169,955,108.56
  5. Step 5: Solve for x
    x = 169,955,108.56/16,219.59
  6. Step 6: Final answer
    x = 10,478.39

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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.