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Finding the Fourth Proportional to 58,730.30, 81,032.47 and 34,862.30

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Solution

The fourth proportional to 58,730.30, 81,032.47 and 34,862.30 is: 48,100.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,730.30 : 81,032.47 = 34,862.30 : x
  2. Step 2: Convert to fraction form
    58,730.30/81,032.47 = 34,862.30/x
  3. Step 3: Cross multiply
    58,730.30x = 81,032.47 × 34,862.30
  4. Step 4: Simplify right side
    58,730.30x = 2,824,978,278.88
  5. Step 5: Solve for x
    x = 2,824,978,278.88/58,730.30
  6. Step 6: Final answer
    x = 48,100.87

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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.