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Finding the Fourth Proportional to 32,543.64, 44,912.16 and 18,397.80

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Solution

The fourth proportional to 32,543.64, 44,912.16 and 18,397.80 is: 25,390.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,543.64 : 44,912.16 = 18,397.80 : x
  2. Step 2: Convert to fraction form
    32,543.64/44,912.16 = 18,397.80/x
  3. Step 3: Cross multiply
    32,543.64x = 44,912.16 × 18,397.80
  4. Step 4: Simplify right side
    32,543.64x = 826,284,937.25
  5. Step 5: Solve for x
    x = 826,284,937.25/32,543.64
  6. Step 6: Final answer
    x = 25,390.06

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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.