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Finding the Fourth Proportional to 70,908.03, 97,852.59 and 39,076.97

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Solution

The fourth proportional to 70,908.03, 97,852.59 and 39,076.97 is: 53,925.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,908.03 : 97,852.59 = 39,076.97 : x
  2. Step 2: Convert to fraction form
    70,908.03/97,852.59 = 39,076.97/x
  3. Step 3: Cross multiply
    70,908.03x = 97,852.59 × 39,076.97
  4. Step 4: Simplify right side
    70,908.03x = 3,823,782,234.59
  5. Step 5: Solve for x
    x = 3,823,782,234.59/70,908.03
  6. Step 6: Final answer
    x = 53,925.94

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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.