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Finding the Fourth Proportional to 53,244.74, 79,799.26 and 28,296.74

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Solution

The fourth proportional to 53,244.74, 79,799.26 and 28,296.74 is: 42,409.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,244.74 : 79,799.26 = 28,296.74 : x
  2. Step 2: Convert to fraction form
    53,244.74/79,799.26 = 28,296.74/x
  3. Step 3: Cross multiply
    53,244.74x = 79,799.26 × 28,296.74
  4. Step 4: Simplify right side
    53,244.74x = 2,258,058,912.41
  5. Step 5: Solve for x
    x = 2,258,058,912.41/53,244.74
  6. Step 6: Final answer
    x = 42,409.05

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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.