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Finding the Fourth Proportional to 63,519.76, 87,658.92 and 34,840.67

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Solution

The fourth proportional to 63,519.76, 87,658.92 and 34,840.67 is: 48,081.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,519.76 : 87,658.92 = 34,840.67 : x
  2. Step 2: Convert to fraction form
    63,519.76/87,658.92 = 34,840.67/x
  3. Step 3: Cross multiply
    63,519.76x = 87,658.92 × 34,840.67
  4. Step 4: Simplify right side
    63,519.76x = 3,054,095,504.28
  5. Step 5: Solve for x
    x = 3,054,095,504.28/63,519.76
  6. Step 6: Final answer
    x = 48,081.03

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1.5x scale

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.