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Finding the Fourth Proportional to 70,104.45, 96,744.47 and 38,274.08

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Solution

The fourth proportional to 70,104.45, 96,744.47 and 38,274.08 is: 52,818.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,104.45 : 96,744.47 = 38,274.08 : x
  2. Step 2: Convert to fraction form
    70,104.45/96,744.47 = 38,274.08/x
  3. Step 3: Cross multiply
    70,104.45x = 96,744.47 × 38,274.08
  4. Step 4: Simplify right side
    70,104.45x = 3,702,805,584.34
  5. Step 5: Solve for x
    x = 3,702,805,584.34/70,104.45
  6. Step 6: Final answer
    x = 52,818.41

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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.