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Finding the Fourth Proportional to 61,366.40, 91,984.80 and 35,014.40

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Solution

The fourth proportional to 61,366.40, 91,984.80 and 35,014.40 is: 52,484.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,366.40 : 91,984.80 = 35,014.40 : x
  2. Step 2: Convert to fraction form
    61,366.40/91,984.80 = 35,014.40/x
  3. Step 3: Cross multiply
    61,366.40x = 91,984.80 × 35,014.40
  4. Step 4: Simplify right side
    61,366.40x = 3,220,792,581.12
  5. Step 5: Solve for x
    x = 3,220,792,581.12/61,366.40
  6. Step 6: Final answer
    x = 52,484.63

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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.