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Finding the Fourth Proportional to 61,186.30, 91,706.55 and 25,647.55

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Solution

The fourth proportional to 61,186.30, 91,706.55 and 25,647.55 is: 38,440.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,186.30 : 91,706.55 = 25,647.55 : x
  2. Step 2: Convert to fraction form
    61,186.30/91,706.55 = 25,647.55/x
  3. Step 3: Cross multiply
    61,186.30x = 91,706.55 × 25,647.55
  4. Step 4: Simplify right side
    61,186.30x = 2,352,048,326.45
  5. Step 5: Solve for x
    x = 2,352,048,326.45/61,186.30
  6. Step 6: Final answer
    x = 38,440.77

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1.5x scale

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.