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Finding the Fourth Proportional to 70,058.70, 96,682.41 and 38,228.94

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Solution

The fourth proportional to 70,058.70, 96,682.41 and 38,228.94 is: 52,756.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,058.70 : 96,682.41 = 38,228.94 : x
  2. Step 2: Convert to fraction form
    70,058.70/96,682.41 = 38,228.94/x
  3. Step 3: Cross multiply
    70,058.70x = 96,682.41 × 38,228.94
  4. Step 4: Simplify right side
    70,058.70x = 3,696,066,050.95
  5. Step 5: Solve for x
    x = 3,696,066,050.95/70,058.70
  6. Step 6: Final answer
    x = 52,756.70

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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.