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Finding the Fourth Proportional to 32,029.76, 48,041.20 and 8,658.56

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Solution

The fourth proportional to 32,029.76, 48,041.20 and 8,658.56 is: 12,986.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,029.76 : 48,041.20 = 8,658.56 : x
  2. Step 2: Convert to fraction form
    32,029.76/48,041.20 = 8,658.56/x
  3. Step 3: Cross multiply
    32,029.76x = 48,041.20 × 8,658.56
  4. Step 4: Simplify right side
    32,029.76x = 415,967,612.67
  5. Step 5: Solve for x
    x = 415,967,612.67/32,029.76
  6. Step 6: Final answer
    x = 12,986.91

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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.