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Finding the Fourth Proportional to 56,645.76, 84,783.82 and 41,648.90

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Solution

The fourth proportional to 56,645.76, 84,783.82 and 41,648.90 is: 62,337.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,645.76 : 84,783.82 = 41,648.90 : x
  2. Step 2: Convert to fraction form
    56,645.76/84,783.82 = 41,648.90/x
  3. Step 3: Cross multiply
    56,645.76x = 84,783.82 × 41,648.90
  4. Step 4: Simplify right side
    56,645.76x = 3,531,152,840.80
  5. Step 5: Solve for x
    x = 3,531,152,840.80/56,645.76
  6. Step 6: Final answer
    x = 62,337.46

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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.