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Finding the Fourth Proportional to 73,041.48, 100,794.38 and 40,775.94

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Solution

The fourth proportional to 73,041.48, 100,794.38 and 40,775.94 is: 56,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,041.48 : 100,794.38 = 40,775.94 : x
  2. Step 2: Convert to fraction form
    73,041.48/100,794.38 = 40,775.94/x
  3. Step 3: Cross multiply
    73,041.48x = 100,794.38 × 40,775.94
  4. Step 4: Simplify right side
    73,041.48x = 4,109,985,387.34
  5. Step 5: Solve for x
    x = 4,109,985,387.34/73,041.48
  6. Step 6: Final answer
    x = 56,269.20

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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.