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Finding the Fourth Proportional to 17,884.80, 24,688.80 and 11,599.20

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Solution

The fourth proportional to 17,884.80, 24,688.80 and 11,599.20 is: 16,011.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,884.80 : 24,688.80 = 11,599.20 : x
  2. Step 2: Convert to fraction form
    17,884.80/24,688.80 = 11,599.20/x
  3. Step 3: Cross multiply
    17,884.80x = 24,688.80 × 11,599.20
  4. Step 4: Simplify right side
    17,884.80x = 286,370,328.96
  5. Step 5: Solve for x
    x = 286,370,328.96/17,884.80
  6. Step 6: Final answer
    x = 16,011.94

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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.