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Finding the Fourth Proportional to 17,683.84, 26,527.38 and 8,913.16

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Solution

The fourth proportional to 17,683.84, 26,527.38 and 8,913.16 is: 13,370.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,683.84 : 26,527.38 = 8,913.16 : x
  2. Step 2: Convert to fraction form
    17,683.84/26,527.38 = 8,913.16/x
  3. Step 3: Cross multiply
    17,683.84x = 26,527.38 × 8,913.16
  4. Step 4: Simplify right side
    17,683.84x = 236,442,782.32
  5. Step 5: Solve for x
    x = 236,442,782.32/17,683.84
  6. Step 6: Final answer
    x = 13,370.56

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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.