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Finding the Fourth Proportional to 17,953.48, 26,928.18 and 6,859.92

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Solution

The fourth proportional to 17,953.48, 26,928.18 and 6,859.92 is: 10,289.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,953.48 : 26,928.18 = 6,859.92 : x
  2. Step 2: Convert to fraction form
    17,953.48/26,928.18 = 6,859.92/x
  3. Step 3: Cross multiply
    17,953.48x = 26,928.18 × 6,859.92
  4. Step 4: Simplify right side
    17,953.48x = 184,725,261.53
  5. Step 5: Solve for x
    x = 184,725,261.53/17,953.48
  6. Step 6: Final answer
    x = 10,289.11

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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.