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Finding the Fourth Proportional to 32,611.66, 48,889.86 and 12,904.12

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Solution

The fourth proportional to 32,611.66, 48,889.86 and 12,904.12 is: 19,345.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,611.66 : 48,889.86 = 12,904.12 : x
  2. Step 2: Convert to fraction form
    32,611.66/48,889.86 = 12,904.12/x
  3. Step 3: Cross multiply
    32,611.66x = 48,889.86 × 12,904.12
  4. Step 4: Simplify right side
    32,611.66x = 630,880,620.22
  5. Step 5: Solve for x
    x = 630,880,620.22/32,611.66
  6. Step 6: Final answer
    x = 19,345.25

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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.