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Finding the Fourth Proportional to 60,774.40, 91,122.02 and 25,225.92

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Solution

The fourth proportional to 60,774.40, 91,122.02 and 25,225.92 is: 37,822.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,774.40 : 91,122.02 = 25,225.92 : x
  2. Step 2: Convert to fraction form
    60,774.40/91,122.02 = 25,225.92/x
  3. Step 3: Cross multiply
    60,774.40x = 91,122.02 × 25,225.92
  4. Step 4: Simplify right side
    60,774.40x = 2,298,636,786.76
  5. Step 5: Solve for x
    x = 2,298,636,786.76/60,774.40
  6. Step 6: Final answer
    x = 37,822.45

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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.