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Finding the Fourth Proportional to 70,035.46, 96,648.31 and 38,203.67

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Solution

The fourth proportional to 70,035.46, 96,648.31 and 38,203.67 is: 52,720.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,035.46 : 96,648.31 = 38,203.67 : x
  2. Step 2: Convert to fraction form
    70,035.46/96,648.31 = 38,203.67/x
  3. Step 3: Cross multiply
    70,035.46x = 96,648.31 × 38,203.67
  4. Step 4: Simplify right side
    70,035.46x = 3,692,319,950.28
  5. Step 5: Solve for x
    x = 3,692,319,950.28/70,035.46
  6. Step 6: Final answer
    x = 52,720.72

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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.