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Finding the Fourth Proportional to 70,205.34, 96,883.41 and 38,374.23

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Solution

The fourth proportional to 70,205.34, 96,883.41 and 38,374.23 is: 52,956.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,205.34 : 96,883.41 = 38,374.23 : x
  2. Step 2: Convert to fraction form
    70,205.34/96,883.41 = 38,374.23/x
  3. Step 3: Cross multiply
    70,205.34x = 96,883.41 × 38,374.23
  4. Step 4: Simplify right side
    70,205.34x = 3,717,826,258.52
  5. Step 5: Solve for x
    x = 3,717,826,258.52/70,205.34
  6. Step 6: Final answer
    x = 52,956.46

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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.