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Finding the Fourth Proportional to 58,959.59, 81,299.58 and 51,337.90

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Solution

The fourth proportional to 58,959.59, 81,299.58 and 51,337.90 is: 70,790.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,959.59 : 81,299.58 = 51,337.90 : x
  2. Step 2: Convert to fraction form
    58,959.59/81,299.58 = 51,337.90/x
  3. Step 3: Cross multiply
    58,959.59x = 81,299.58 × 51,337.90
  4. Step 4: Simplify right side
    58,959.59x = 4,173,749,301.58
  5. Step 5: Solve for x
    x = 4,173,749,301.58/58,959.59
  6. Step 6: Final answer
    x = 70,790.00

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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.