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Finding the Fourth Proportional to 61,036.29, 91,518.79 and 25,957.89

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Solution

The fourth proportional to 61,036.29, 91,518.79 and 25,957.89 is: 38,921.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,036.29 : 91,518.79 = 25,957.89 : x
  2. Step 2: Convert to fraction form
    61,036.29/91,518.79 = 25,957.89/x
  3. Step 3: Cross multiply
    61,036.29x = 91,518.79 × 25,957.89
  4. Step 4: Simplify right side
    61,036.29x = 2,375,634,487.40
  5. Step 5: Solve for x
    x = 2,375,634,487.40/61,036.29
  6. Step 6: Final answer
    x = 38,921.67

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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.