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Finding the Fourth Proportional to 48,618.47, 72,927.71 and 11,682.47

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Solution

The fourth proportional to 48,618.47, 72,927.71 and 11,682.47 is: 17,523.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,618.47 : 72,927.71 = 11,682.47 : x
  2. Step 2: Convert to fraction form
    48,618.47/72,927.71 = 11,682.47/x
  3. Step 3: Cross multiply
    48,618.47x = 72,927.71 × 11,682.47
  4. Step 4: Simplify right side
    48,618.47x = 851,975,634.67
  5. Step 5: Solve for x
    x = 851,975,634.67/48,618.47
  6. Step 6: Final answer
    x = 17,523.70

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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.