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Finding the Fourth Proportional to 53,225.92, 79,816.92 and 18,168.40

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Solution

The fourth proportional to 53,225.92, 79,816.92 and 18,168.40 is: 27,245.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,225.92 : 79,816.92 = 18,168.40 : x
  2. Step 2: Convert to fraction form
    53,225.92/79,816.92 = 18,168.40/x
  3. Step 3: Cross multiply
    53,225.92x = 79,816.92 × 18,168.40
  4. Step 4: Simplify right side
    53,225.92x = 1,450,145,729.33
  5. Step 5: Solve for x
    x = 1,450,145,729.33/53,225.92
  6. Step 6: Final answer
    x = 27,245.10

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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.