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Finding the Fourth Proportional to 65,741.94, 98,488.35 and 39,031.38

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Solution

The fourth proportional to 65,741.94, 98,488.35 and 39,031.38 is: 58,473.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,741.94 : 98,488.35 = 39,031.38 : x
  2. Step 2: Convert to fraction form
    65,741.94/98,488.35 = 39,031.38/x
  3. Step 3: Cross multiply
    65,741.94x = 98,488.35 × 39,031.38
  4. Step 4: Simplify right side
    65,741.94x = 3,844,136,214.42
  5. Step 5: Solve for x
    x = 3,844,136,214.42/65,741.94
  6. Step 6: Final answer
    x = 58,473.12

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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.