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Finding the Fourth Proportional to 73,072.44, 100,829.88 and 40,803.12

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Solution

The fourth proportional to 73,072.44, 100,829.88 and 40,803.12 is: 56,302.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,072.44 : 100,829.88 = 40,803.12 : x
  2. Step 2: Convert to fraction form
    73,072.44/100,829.88 = 40,803.12/x
  3. Step 3: Cross multiply
    73,072.44x = 100,829.88 × 40,803.12
  4. Step 4: Simplify right side
    73,072.44x = 4,114,173,693.23
  5. Step 5: Solve for x
    x = 4,114,173,693.23/73,072.44
  6. Step 6: Final answer
    x = 56,302.67

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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.