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Finding the Fourth Proportional to 70,543.48, 97,349.73 and 38,712.91

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Solution

The fourth proportional to 70,543.48, 97,349.73 and 38,712.91 is: 53,423.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,543.48 : 97,349.73 = 38,712.91 : x
  2. Step 2: Convert to fraction form
    70,543.48/97,349.73 = 38,712.91/x
  3. Step 3: Cross multiply
    70,543.48x = 97,349.73 × 38,712.91
  4. Step 4: Simplify right side
    70,543.48x = 3,768,691,336.01
  5. Step 5: Solve for x
    x = 3,768,691,336.01/70,543.48
  6. Step 6: Final answer
    x = 53,423.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.