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Finding the Fourth Proportional to 73,094.39, 100,869.15 and 40,829.45

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Solution

The fourth proportional to 73,094.39, 100,869.15 and 40,829.45 is: 56,344.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,094.39 : 100,869.15 = 40,829.45 : x
  2. Step 2: Convert to fraction form
    73,094.39/100,869.15 = 40,829.45/x
  3. Step 3: Cross multiply
    73,094.39x = 100,869.15 × 40,829.45
  4. Step 4: Simplify right side
    73,094.39x = 4,118,431,412.12
  5. Step 5: Solve for x
    x = 4,118,431,412.12/73,094.39
  6. Step 6: Final answer
    x = 56,344.02

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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.