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Finding the Fourth Proportional to 48,605.55, 72,908.32 and 11,669.55

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Solution

The fourth proportional to 48,605.55, 72,908.32 and 11,669.55 is: 17,504.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,605.55 : 72,908.32 = 11,669.55 : x
  2. Step 2: Convert to fraction form
    48,605.55/72,908.32 = 11,669.55/x
  3. Step 3: Cross multiply
    48,605.55x = 72,908.32 × 11,669.55
  4. Step 4: Simplify right side
    48,605.55x = 850,807,285.66
  5. Step 5: Solve for x
    x = 850,807,285.66/48,605.55
  6. Step 6: Final answer
    x = 17,504.32

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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.