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Finding the Fourth Proportional to 57,592, 79,478.40 and 34,932.16

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Solution

The fourth proportional to 57,592, 79,478.40 and 34,932.16 is: 48,207.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,592 : 79,478.40 = 34,932.16 : x
  2. Step 2: Convert to fraction form
    57,592/79,478.40 = 34,932.16/x
  3. Step 3: Cross multiply
    57,592x = 79,478.40 × 34,932.16
  4. Step 4: Simplify right side
    57,592x = 2,776,352,185.34
  5. Step 5: Solve for x
    x = 2,776,352,185.34/57,592
  6. Step 6: Final answer
    x = 48,207.25

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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.