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Finding the Fourth Proportional to 58,595.54, 87,700.73 and 31,900.77

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Solution

The fourth proportional to 58,595.54, 87,700.73 and 31,900.77 is: 47,746.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,595.54 : 87,700.73 = 31,900.77 : x
  2. Step 2: Convert to fraction form
    58,595.54/87,700.73 = 31,900.77/x
  3. Step 3: Cross multiply
    58,595.54x = 87,700.73 × 31,900.77
  4. Step 4: Simplify right side
    58,595.54x = 2,797,720,657.06
  5. Step 5: Solve for x
    x = 2,797,720,657.06/58,595.54
  6. Step 6: Final answer
    x = 47,746.31

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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.