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Finding the Fourth Proportional to 51,194.88, 76,792.80 and 14,258.88

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Solution

The fourth proportional to 51,194.88, 76,792.80 and 14,258.88 is: 21,388.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,194.88 : 76,792.80 = 14,258.88 : x
  2. Step 2: Convert to fraction form
    51,194.88/76,792.80 = 14,258.88/x
  3. Step 3: Cross multiply
    51,194.88x = 76,792.80 × 14,258.88
  4. Step 4: Simplify right side
    51,194.88x = 1,094,979,320.06
  5. Step 5: Solve for x
    x = 1,094,979,320.06/51,194.88
  6. Step 6: Final answer
    x = 21,388.45

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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.