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Finding the Fourth Proportional to 57,292.47, 85,941.03 and 27,291.28

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Solution

The fourth proportional to 57,292.47, 85,941.03 and 27,291.28 is: 40,938.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,292.47 : 85,941.03 = 27,291.28 : x
  2. Step 2: Convert to fraction form
    57,292.47/85,941.03 = 27,291.28/x
  3. Step 3: Cross multiply
    57,292.47x = 85,941.03 × 27,291.28
  4. Step 4: Simplify right side
    57,292.47x = 2,345,440,962.19
  5. Step 5: Solve for x
    x = 2,345,440,962.19/57,292.47
  6. Step 6: Final answer
    x = 40,938.03

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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.