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Finding the Fourth Proportional to 57,548.39, 79,427.80 and 32,397.89

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Solution

The fourth proportional to 57,548.39, 79,427.80 and 32,397.89 is: 44,715.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,548.39 : 79,427.80 = 32,397.89 : x
  2. Step 2: Convert to fraction form
    57,548.39/79,427.80 = 32,397.89/x
  3. Step 3: Cross multiply
    57,548.39x = 79,427.80 × 32,397.89
  4. Step 4: Simplify right side
    57,548.39x = 2,573,293,127.34
  5. Step 5: Solve for x
    x = 2,573,293,127.34/57,548.39
  6. Step 6: Final answer
    x = 44,715.29

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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.