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Finding the Fourth Proportional to 61,283.52, 84,579.15 and 34,426.02

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Solution

The fourth proportional to 61,283.52, 84,579.15 and 34,426.02 is: 47,512.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,283.52 : 84,579.15 = 34,426.02 : x
  2. Step 2: Convert to fraction form
    61,283.52/84,579.15 = 34,426.02/x
  3. Step 3: Cross multiply
    61,283.52x = 84,579.15 × 34,426.02
  4. Step 4: Simplify right side
    61,283.52x = 2,911,723,509.48
  5. Step 5: Solve for x
    x = 2,911,723,509.48/61,283.52
  6. Step 6: Final answer
    x = 47,512.34

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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.