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Finding the Fourth Proportional to 65,370.80, 97,829.40 and 39,094.40

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Solution

The fourth proportional to 65,370.80, 97,829.40 and 39,094.40 is: 58,505.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,370.80 : 97,829.40 = 39,094.40 : x
  2. Step 2: Convert to fraction form
    65,370.80/97,829.40 = 39,094.40/x
  3. Step 3: Cross multiply
    65,370.80x = 97,829.40 × 39,094.40
  4. Step 4: Simplify right side
    65,370.80x = 3,824,581,695.36
  5. Step 5: Solve for x
    x = 3,824,581,695.36/65,370.80
  6. Step 6: Final answer
    x = 58,505.96

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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.