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Finding the Fourth Proportional to 32,764.32, 49,146.51 and 8,140.32

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Solution

The fourth proportional to 32,764.32, 49,146.51 and 8,140.32 is: 12,210.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,764.32 : 49,146.51 = 8,140.32 : x
  2. Step 2: Convert to fraction form
    32,764.32/49,146.51 = 8,140.32/x
  3. Step 3: Cross multiply
    32,764.32x = 49,146.51 × 8,140.32
  4. Step 4: Simplify right side
    32,764.32x = 400,068,318.28
  5. Step 5: Solve for x
    x = 400,068,318.28/32,764.32
  6. Step 6: Final answer
    x = 12,210.49

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Double scale
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Similar ratio
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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.