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Finding the Fourth Proportional to 50,000.48, 74,996.40 and 16,719.20

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Solution

The fourth proportional to 50,000.48, 74,996.40 and 16,719.20 is: 25,077.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,000.48 : 74,996.40 = 16,719.20 : x
  2. Step 2: Convert to fraction form
    50,000.48/74,996.40 = 16,719.20/x
  3. Step 3: Cross multiply
    50,000.48x = 74,996.40 × 16,719.20
  4. Step 4: Simplify right side
    50,000.48x = 1,253,879,810.88
  5. Step 5: Solve for x
    x = 1,253,879,810.88/50,000.48
  6. Step 6: Final answer
    x = 25,077.36

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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.