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Finding the Fourth Proportional to 32,630.46, 45,029.16 and 18,487.86

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Solution

The fourth proportional to 32,630.46, 45,029.16 and 18,487.86 is: 25,512.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,630.46 : 45,029.16 = 18,487.86 : x
  2. Step 2: Convert to fraction form
    32,630.46/45,029.16 = 18,487.86/x
  3. Step 3: Cross multiply
    32,630.46x = 45,029.16 × 18,487.86
  4. Step 4: Simplify right side
    32,630.46x = 832,492,806.00
  5. Step 5: Solve for x
    x = 832,492,806.00/32,630.46
  6. Step 6: Final answer
    x = 25,512.75

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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.