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Finding the Fourth Proportional to 56,351.98, 77,765.61 and 32,478.49

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Solution

The fourth proportional to 56,351.98, 77,765.61 and 32,478.49 is: 44,820.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,351.98 : 77,765.61 = 32,478.49 : x
  2. Step 2: Convert to fraction form
    56,351.98/77,765.61 = 32,478.49/x
  3. Step 3: Cross multiply
    56,351.98x = 77,765.61 × 32,478.49
  4. Step 4: Simplify right side
    56,351.98x = 2,525,709,586.73
  5. Step 5: Solve for x
    x = 2,525,709,586.73/56,351.98
  6. Step 6: Final answer
    x = 44,820.25

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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.