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Finding the Fourth Proportional to 17,632.40, 26,467.80 and 9,856.40

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Solution

The fourth proportional to 17,632.40, 26,467.80 and 9,856.40 is: 14,795.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,632.40 : 26,467.80 = 9,856.40 : x
  2. Step 2: Convert to fraction form
    17,632.40/26,467.80 = 9,856.40/x
  3. Step 3: Cross multiply
    17,632.40x = 26,467.80 × 9,856.40
  4. Step 4: Simplify right side
    17,632.40x = 260,877,223.92
  5. Step 5: Solve for x
    x = 260,877,223.92/17,632.40
  6. Step 6: Final answer
    x = 14,795.33

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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.