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Finding the Fourth Proportional to 17,688.94, 24,410.94 and 10,135.12

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Solution

The fourth proportional to 17,688.94, 24,410.94 and 10,135.12 is: 13,986.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,688.94 : 24,410.94 = 10,135.12 : x
  2. Step 2: Convert to fraction form
    17,688.94/24,410.94 = 10,135.12/x
  3. Step 3: Cross multiply
    17,688.94x = 24,410.94 × 10,135.12
  4. Step 4: Simplify right side
    17,688.94x = 247,407,763.03
  5. Step 5: Solve for x
    x = 247,407,763.03/17,688.94
  6. Step 6: Final answer
    x = 13,986.58

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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.