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Finding the Fourth Proportional to 70,089.77, 96,723.86 and 38,258.67

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Solution

The fourth proportional to 70,089.77, 96,723.86 and 38,258.67 is: 52,796.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,089.77 : 96,723.86 = 38,258.67 : x
  2. Step 2: Convert to fraction form
    70,089.77/96,723.86 = 38,258.67/x
  3. Step 3: Cross multiply
    70,089.77x = 96,723.86 × 38,258.67
  4. Step 4: Simplify right side
    70,089.77x = 3,700,525,732.20
  5. Step 5: Solve for x
    x = 3,700,525,732.20/70,089.77
  6. Step 6: Final answer
    x = 52,796.95

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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.