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Finding the Fourth Proportional to 70,625.92, 97,463.32 and 38,360.21

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Solution

The fourth proportional to 70,625.92, 97,463.32 and 38,360.21 is: 52,936.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,625.92 : 97,463.32 = 38,360.21 : x
  2. Step 2: Convert to fraction form
    70,625.92/97,463.32 = 38,360.21/x
  3. Step 3: Cross multiply
    70,625.92x = 97,463.32 × 38,360.21
  4. Step 4: Simplify right side
    70,625.92x = 3,738,712,743.38
  5. Step 5: Solve for x
    x = 3,738,712,743.38/70,625.92
  6. Step 6: Final answer
    x = 52,936.84

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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.