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Finding the Fourth Proportional to 56,900.97, 85,368.53 and 26,938.04

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Solution

The fourth proportional to 56,900.97, 85,368.53 and 26,938.04 is: 40,415.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,900.97 : 85,368.53 = 26,938.04 : x
  2. Step 2: Convert to fraction form
    56,900.97/85,368.53 = 26,938.04/x
  3. Step 3: Cross multiply
    56,900.97x = 85,368.53 × 26,938.04
  4. Step 4: Simplify right side
    56,900.97x = 2,299,660,516.38
  5. Step 5: Solve for x
    x = 2,299,660,516.38/56,900.97
  6. Step 6: Final answer
    x = 40,415.14

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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.