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Finding the Fourth Proportional to 52,903.44, 79,316.28 and 25,220.88

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Solution

The fourth proportional to 52,903.44, 79,316.28 and 25,220.88 is: 37,812.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,903.44 : 79,316.28 = 25,220.88 : x
  2. Step 2: Convert to fraction form
    52,903.44/79,316.28 = 25,220.88/x
  3. Step 3: Cross multiply
    52,903.44x = 79,316.28 × 25,220.88
  4. Step 4: Simplify right side
    52,903.44x = 2,000,426,379.93
  5. Step 5: Solve for x
    x = 2,000,426,379.93/52,903.44
  6. Step 6: Final answer
    x = 37,812.78

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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.