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Finding the Fourth Proportional to 58,910.09, 87,698.88 and 58,559.82

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Solution

The fourth proportional to 58,910.09, 87,698.88 and 58,559.82 is: 87,177.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,910.09 : 87,698.88 = 58,559.82 : x
  2. Step 2: Convert to fraction form
    58,910.09/87,698.88 = 58,559.82/x
  3. Step 3: Cross multiply
    58,910.09x = 87,698.88 × 58,559.82
  4. Step 4: Simplify right side
    58,910.09x = 5,135,630,627.00
  5. Step 5: Solve for x
    x = 5,135,630,627.00/58,910.09
  6. Step 6: Final answer
    x = 87,177.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.