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Finding the Fourth Proportional to 48,528.42, 67,005.72 and 47,753.40

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Solution

The fourth proportional to 48,528.42, 67,005.72 and 47,753.40 is: 65,935.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,528.42 : 67,005.72 = 47,753.40 : x
  2. Step 2: Convert to fraction form
    48,528.42/67,005.72 = 47,753.40/x
  3. Step 3: Cross multiply
    48,528.42x = 67,005.72 × 47,753.40
  4. Step 4: Simplify right side
    48,528.42x = 3,199,750,949.45
  5. Step 5: Solve for x
    x = 3,199,750,949.45/48,528.42
  6. Step 6: Final answer
    x = 65,935.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.