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Finding the Fourth Proportional to 32,406.76, 44,720.94 and 18,262

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Solution

The fourth proportional to 32,406.76, 44,720.94 and 18,262 is: 25,201.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,406.76 : 44,720.94 = 18,262 : x
  2. Step 2: Convert to fraction form
    32,406.76/44,720.94 = 18,262/x
  3. Step 3: Cross multiply
    32,406.76x = 44,720.94 × 18,262
  4. Step 4: Simplify right side
    32,406.76x = 816,693,806.28
  5. Step 5: Solve for x
    x = 816,693,806.28/32,406.76
  6. Step 6: Final answer
    x = 25,201.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.