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Finding the Fourth Proportional to 32,388.92, 48,473.63 and 19,916.84

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Solution

The fourth proportional to 32,388.92, 48,473.63 and 19,916.84 is: 29,807.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,388.92 : 48,473.63 = 19,916.84 : x
  2. Step 2: Convert to fraction form
    32,388.92/48,473.63 = 19,916.84/x
  3. Step 3: Cross multiply
    32,388.92x = 48,473.63 × 19,916.84
  4. Step 4: Simplify right side
    32,388.92x = 965,441,340.35
  5. Step 5: Solve for x
    x = 965,441,340.35/32,388.92
  6. Step 6: Final answer
    x = 29,807.77

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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.