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Finding the Fourth Proportional to 51,460.49, 77,190.74 and 14,524.49

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Solution

The fourth proportional to 51,460.49, 77,190.74 and 14,524.49 is: 21,786.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,460.49 : 77,190.74 = 14,524.49 : x
  2. Step 2: Convert to fraction form
    51,460.49/77,190.74 = 14,524.49/x
  3. Step 3: Cross multiply
    51,460.49x = 77,190.74 × 14,524.49
  4. Step 4: Simplify right side
    51,460.49x = 1,121,156,058.60
  5. Step 5: Solve for x
    x = 1,121,156,058.60/51,460.49
  6. Step 6: Final answer
    x = 21,786.74

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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.