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Finding the Fourth Proportional to 32,506.94, 48,720.49 and 18,478.69

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Solution

The fourth proportional to 32,506.94, 48,720.49 and 18,478.69 is: 27,695.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,506.94 : 48,720.49 = 18,478.69 : x
  2. Step 2: Convert to fraction form
    32,506.94/48,720.49 = 18,478.69/x
  3. Step 3: Cross multiply
    32,506.94x = 48,720.49 × 18,478.69
  4. Step 4: Simplify right side
    32,506.94x = 900,290,663.36
  5. Step 5: Solve for x
    x = 900,290,663.36/32,506.94
  6. Step 6: Final answer
    x = 27,695.34

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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.