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Finding the Fourth Proportional to 28,924.40, 43,300.20 and 25,468.40

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Solution

The fourth proportional to 28,924.40, 43,300.20 and 25,468.40 is: 38,126.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,924.40 : 43,300.20 = 25,468.40 : x
  2. Step 2: Convert to fraction form
    28,924.40/43,300.20 = 25,468.40/x
  3. Step 3: Cross multiply
    28,924.40x = 43,300.20 × 25,468.40
  4. Step 4: Simplify right side
    28,924.40x = 1,102,786,813.68
  5. Step 5: Solve for x
    x = 1,102,786,813.68/28,924.40
  6. Step 6: Final answer
    x = 38,126.52

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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.