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Finding the Fourth Proportional to 62,195.91, 85,830.54 and 35,347.35

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Solution

The fourth proportional to 62,195.91, 85,830.54 and 35,347.35 is: 48,779.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,195.91 : 85,830.54 = 35,347.35 : x
  2. Step 2: Convert to fraction form
    62,195.91/85,830.54 = 35,347.35/x
  3. Step 3: Cross multiply
    62,195.91x = 85,830.54 × 35,347.35
  4. Step 4: Simplify right side
    62,195.91x = 3,033,882,138.07
  5. Step 5: Solve for x
    x = 3,033,882,138.07/62,195.91
  6. Step 6: Final answer
    x = 48,779.45

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Why These Related Problems?

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