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Finding the Fourth Proportional to 65,233.40, 97,850.10 and 38,989.40

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Solution

The fourth proportional to 65,233.40, 97,850.10 and 38,989.40 is: 58,484.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,233.40 : 97,850.10 = 38,989.40 : x
  2. Step 2: Convert to fraction form
    65,233.40/97,850.10 = 38,989.40/x
  3. Step 3: Cross multiply
    65,233.40x = 97,850.10 × 38,989.40
  4. Step 4: Simplify right side
    65,233.40x = 3,815,116,688.94
  5. Step 5: Solve for x
    x = 3,815,116,688.94/65,233.40
  6. Step 6: Final answer
    x = 58,484.10

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.