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Finding the Fourth Proportional to 70,375.28, 97,117.88 and 38,544.26

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Solution

The fourth proportional to 70,375.28, 97,117.88 and 38,544.26 is: 53,191.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,375.28 : 97,117.88 = 38,544.26 : x
  2. Step 2: Convert to fraction form
    70,375.28/97,117.88 = 38,544.26/x
  3. Step 3: Cross multiply
    70,375.28x = 97,117.88 × 38,544.26
  4. Step 4: Simplify right side
    70,375.28x = 3,743,336,817.37
  5. Step 5: Solve for x
    x = 3,743,336,817.37/70,375.28
  6. Step 6: Final answer
    x = 53,191.08

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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.