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Finding the Fourth Proportional to 61,643.55, 92,460.77 and 29,955.75

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Solution

The fourth proportional to 61,643.55, 92,460.77 and 29,955.75 is: 44,931.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,643.55 : 92,460.77 = 29,955.75 : x
  2. Step 2: Convert to fraction form
    61,643.55/92,460.77 = 29,955.75/x
  3. Step 3: Cross multiply
    61,643.55x = 92,460.77 × 29,955.75
  4. Step 4: Simplify right side
    61,643.55x = 2,769,731,710.93
  5. Step 5: Solve for x
    x = 2,769,731,710.93/61,643.55
  6. Step 6: Final answer
    x = 44,931.41

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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.