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Finding the Fourth Proportional to 72,829.71, 100,504.89 and 41,008.86

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Solution

The fourth proportional to 72,829.71, 100,504.89 and 41,008.86 is: 56,592.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,829.71 : 100,504.89 = 41,008.86 : x
  2. Step 2: Convert to fraction form
    72,829.71/100,504.89 = 41,008.86/x
  3. Step 3: Cross multiply
    72,829.71x = 100,504.89 × 41,008.86
  4. Step 4: Simplify right side
    72,829.71x = 4,121,590,963.33
  5. Step 5: Solve for x
    x = 4,121,590,963.33/72,829.71
  6. Step 6: Final answer
    x = 56,592.16

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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.