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Finding the Fourth Proportional to 82,494.70, 123,728.28 and 23,316.94

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Solution

The fourth proportional to 82,494.70, 123,728.28 and 23,316.94 is: 34,971.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,494.70 : 123,728.28 = 23,316.94 : x
  2. Step 2: Convert to fraction form
    82,494.70/123,728.28 = 23,316.94/x
  3. Step 3: Cross multiply
    82,494.70x = 123,728.28 × 23,316.94
  4. Step 4: Simplify right side
    82,494.70x = 2,884,964,881.06
  5. Step 5: Solve for x
    x = 2,884,964,881.06/82,494.70
  6. Step 6: Final answer
    x = 34,971.52

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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.