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Finding the Fourth Proportional to 56,896.84, 78,498.88 and 36,765.60

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Solution

The fourth proportional to 56,896.84, 78,498.88 and 36,765.60 is: 50,724.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,896.84 : 78,498.88 = 36,765.60 : x
  2. Step 2: Convert to fraction form
    56,896.84/78,498.88 = 36,765.60/x
  3. Step 3: Cross multiply
    56,896.84x = 78,498.88 × 36,765.60
  4. Step 4: Simplify right side
    56,896.84x = 2,886,058,422.53
  5. Step 5: Solve for x
    x = 2,886,058,422.53/56,896.84
  6. Step 6: Final answer
    x = 50,724.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.