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Finding the Fourth Proportional to 65,079.10, 97,674.07 and 46,404.89

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Solution

The fourth proportional to 65,079.10, 97,674.07 and 46,404.89 is: 69,646.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,079.10 : 97,674.07 = 46,404.89 : x
  2. Step 2: Convert to fraction form
    65,079.10/97,674.07 = 46,404.89/x
  3. Step 3: Cross multiply
    65,079.10x = 97,674.07 × 46,404.89
  4. Step 4: Simplify right side
    65,079.10x = 4,532,554,474.20
  5. Step 5: Solve for x
    x = 4,532,554,474.20/65,079.10
  6. Step 6: Final answer
    x = 69,646.85

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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.