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Finding the Fourth Proportional to 61,284.70, 91,953.10 and 34,634.34

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Solution

The fourth proportional to 61,284.70, 91,953.10 and 34,634.34 is: 51,966.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,284.70 : 91,953.10 = 34,634.34 : x
  2. Step 2: Convert to fraction form
    61,284.70/91,953.10 = 34,634.34/x
  3. Step 3: Cross multiply
    61,284.70x = 91,953.10 × 34,634.34
  4. Step 4: Simplify right side
    61,284.70x = 3,184,734,929.45
  5. Step 5: Solve for x
    x = 3,184,734,929.45/61,284.70
  6. Step 6: Final answer
    x = 51,966.23

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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.