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Finding the Fourth Proportional to 58,789.81, 88,237.77 and 39,768.44

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Solution

The fourth proportional to 58,789.81, 88,237.77 and 39,768.44 is: 59,688.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,789.81 : 88,237.77 = 39,768.44 : x
  2. Step 2: Convert to fraction form
    58,789.81/88,237.77 = 39,768.44/x
  3. Step 3: Cross multiply
    58,789.81x = 88,237.77 × 39,768.44
  4. Step 4: Simplify right side
    58,789.81x = 3,509,078,461.98
  5. Step 5: Solve for x
    x = 3,509,078,461.98/58,789.81
  6. Step 6: Final answer
    x = 59,688.55

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1.5x scale

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.