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Finding the Fourth Proportional to 85,072.76, 127,599.40 and 22,748.12

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Solution

The fourth proportional to 85,072.76, 127,599.40 and 22,748.12 is: 34,119.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,072.76 : 127,599.40 = 22,748.12 : x
  2. Step 2: Convert to fraction form
    85,072.76/127,599.40 = 22,748.12/x
  3. Step 3: Cross multiply
    85,072.76x = 127,599.40 × 22,748.12
  4. Step 4: Simplify right side
    85,072.76x = 2,902,646,463.13
  5. Step 5: Solve for x
    x = 2,902,646,463.13/85,072.76
  6. Step 6: Final answer
    x = 34,119.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.