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Finding the Fourth Proportional to 61,283.54, 84,566.73 and 34,430.52

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Solution

The fourth proportional to 61,283.54, 84,566.73 and 34,430.52 is: 47,511.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,283.54 : 84,566.73 = 34,430.52 : x
  2. Step 2: Convert to fraction form
    61,283.54/84,566.73 = 34,430.52/x
  3. Step 3: Cross multiply
    61,283.54x = 84,566.73 × 34,430.52
  4. Step 4: Simplify right side
    61,283.54x = 2,911,676,459.15
  5. Step 5: Solve for x
    x = 2,911,676,459.15/61,283.54
  6. Step 6: Final answer
    x = 47,511.56

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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.