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Finding the Fourth Proportional to 56,734.31, 78,281.48 and 32,859.56

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Solution

The fourth proportional to 56,734.31, 78,281.48 and 32,859.56 is: 45,339.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,734.31 : 78,281.48 = 32,859.56 : x
  2. Step 2: Convert to fraction form
    56,734.31/78,281.48 = 32,859.56/x
  3. Step 3: Cross multiply
    56,734.31x = 78,281.48 × 32,859.56
  4. Step 4: Simplify right side
    56,734.31x = 2,572,294,433.24
  5. Step 5: Solve for x
    x = 2,572,294,433.24/56,734.31
  6. Step 6: Final answer
    x = 45,339.31

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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.