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Finding the Fourth Proportional to 32,752.84, 49,129.26 and 8,128.84

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Solution

The fourth proportional to 32,752.84, 49,129.26 and 8,128.84 is: 12,193.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,752.84 : 49,129.26 = 8,128.84 : x
  2. Step 2: Convert to fraction form
    32,752.84/49,129.26 = 8,128.84/x
  3. Step 3: Cross multiply
    32,752.84x = 49,129.26 × 8,128.84
  4. Step 4: Simplify right side
    32,752.84x = 399,363,893.86
  5. Step 5: Solve for x
    x = 399,363,893.86/32,752.84
  6. Step 6: Final answer
    x = 12,193.26

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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.