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Finding the Fourth Proportional to 62,648.07, 86,454.33 and 34,354.35

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Solution

The fourth proportional to 62,648.07, 86,454.33 and 34,354.35 is: 47,409.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,648.07 : 86,454.33 = 34,354.35 : x
  2. Step 2: Convert to fraction form
    62,648.07/86,454.33 = 34,354.35/x
  3. Step 3: Cross multiply
    62,648.07x = 86,454.33 × 34,354.35
  4. Step 4: Simplify right side
    62,648.07x = 2,970,082,311.84
  5. Step 5: Solve for x
    x = 2,970,082,311.84/62,648.07
  6. Step 6: Final answer
    x = 47,409.00

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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.