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Finding the Fourth Proportional to 56,693.79, 85,040.73 and 25,492.59

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Solution

The fourth proportional to 56,693.79, 85,040.73 and 25,492.59 is: 38,238.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,693.79 : 85,040.73 = 25,492.59 : x
  2. Step 2: Convert to fraction form
    56,693.79/85,040.73 = 25,492.59/x
  3. Step 3: Cross multiply
    56,693.79x = 85,040.73 × 25,492.59
  4. Step 4: Simplify right side
    56,693.79x = 2,167,908,463.19
  5. Step 5: Solve for x
    x = 2,167,908,463.19/56,693.79
  6. Step 6: Final answer
    x = 38,238.91

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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.