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Finding the Fourth Proportional to 84,953.67, 127,428.44 and 34,999.17

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Solution

The fourth proportional to 84,953.67, 127,428.44 and 34,999.17 is: 52,497.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,953.67 : 127,428.44 = 34,999.17 : x
  2. Step 2: Convert to fraction form
    84,953.67/127,428.44 = 34,999.17/x
  3. Step 3: Cross multiply
    84,953.67x = 127,428.44 × 34,999.17
  4. Step 4: Simplify right side
    84,953.67x = 4,459,889,459.40
  5. Step 5: Solve for x
    x = 4,459,889,459.40/84,953.67
  6. Step 6: Final answer
    x = 52,497.90

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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.