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Finding the Fourth Proportional to 66,746.79, 100,087.79 and 25,197.03

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Solution

The fourth proportional to 66,746.79, 100,087.79 and 25,197.03 is: 37,783.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,746.79 : 100,087.79 = 25,197.03 : x
  2. Step 2: Convert to fraction form
    66,746.79/100,087.79 = 25,197.03/x
  3. Step 3: Cross multiply
    66,746.79x = 100,087.79 × 25,197.03
  4. Step 4: Simplify right side
    66,746.79x = 2,521,914,921.28
  5. Step 5: Solve for x
    x = 2,521,914,921.28/66,746.79
  6. Step 6: Final answer
    x = 37,783.31

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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.