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Finding the Fourth Proportional to 57,293.40, 86,010.30 and 36,233.40

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Solution

The fourth proportional to 57,293.40, 86,010.30 and 36,233.40 is: 54,394.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,293.40 : 86,010.30 = 36,233.40 : x
  2. Step 2: Convert to fraction form
    57,293.40/86,010.30 = 36,233.40/x
  3. Step 3: Cross multiply
    57,293.40x = 86,010.30 × 36,233.40
  4. Step 4: Simplify right side
    57,293.40x = 3,116,445,604.02
  5. Step 5: Solve for x
    x = 3,116,445,604.02/57,293.40
  6. Step 6: Final answer
    x = 54,394.50

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1.5x scale

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.