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Finding the Fourth Proportional to 32,079.84, 48,108.24 and 12,348.48

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Solution

The fourth proportional to 32,079.84, 48,108.24 and 12,348.48 is: 18,518.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,079.84 : 48,108.24 = 12,348.48 : x
  2. Step 2: Convert to fraction form
    32,079.84/48,108.24 = 12,348.48/x
  3. Step 3: Cross multiply
    32,079.84x = 48,108.24 × 12,348.48
  4. Step 4: Simplify right side
    32,079.84x = 594,063,639.48
  5. Step 5: Solve for x
    x = 594,063,639.48/32,079.84
  6. Step 6: Final answer
    x = 18,518.29

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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.