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Finding the Fourth Proportional to 65,274.85, 97,913.49 and 52,284.07

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Solution

The fourth proportional to 65,274.85, 97,913.49 and 52,284.07 is: 78,427.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,274.85 : 97,913.49 = 52,284.07 : x
  2. Step 2: Convert to fraction form
    65,274.85/97,913.49 = 52,284.07/x
  3. Step 3: Cross multiply
    65,274.85x = 97,913.49 × 52,284.07
  4. Step 4: Simplify right side
    65,274.85x = 5,119,315,765.10
  5. Step 5: Solve for x
    x = 5,119,315,765.10/65,274.85
  6. Step 6: Final answer
    x = 78,427.08

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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.