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Finding the Fourth Proportional to 45,633.96, 63,004.50 and 40,845.60

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Solution

The fourth proportional to 45,633.96, 63,004.50 and 40,845.60 is: 56,393.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,633.96 : 63,004.50 = 40,845.60 : x
  2. Step 2: Convert to fraction form
    45,633.96/63,004.50 = 40,845.60/x
  3. Step 3: Cross multiply
    45,633.96x = 63,004.50 × 40,845.60
  4. Step 4: Simplify right side
    45,633.96x = 2,573,456,605.20
  5. Step 5: Solve for x
    x = 2,573,456,605.20/45,633.96
  6. Step 6: Final answer
    x = 56,393.45

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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.