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Finding the Fourth Proportional to 32,409.37, 48,612.43 and 12,691.54

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Solution

The fourth proportional to 32,409.37, 48,612.43 and 12,691.54 is: 19,036.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,409.37 : 48,612.43 = 12,691.54 : x
  2. Step 2: Convert to fraction form
    32,409.37/48,612.43 = 12,691.54/x
  3. Step 3: Cross multiply
    32,409.37x = 48,612.43 × 12,691.54
  4. Step 4: Simplify right side
    32,409.37x = 616,966,599.84
  5. Step 5: Solve for x
    x = 616,966,599.84/32,409.37
  6. Step 6: Final answer
    x = 19,036.67

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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.