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Finding the Fourth Proportional to 48,887.64, 73,332.90 and 13,823.64

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Solution

The fourth proportional to 48,887.64, 73,332.90 and 13,823.64 is: 20,735.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,887.64 : 73,332.90 = 13,823.64 : x
  2. Step 2: Convert to fraction form
    48,887.64/73,332.90 = 13,823.64/x
  3. Step 3: Cross multiply
    48,887.64x = 73,332.90 × 13,823.64
  4. Step 4: Simplify right side
    48,887.64x = 1,013,727,609.76
  5. Step 5: Solve for x
    x = 1,013,727,609.76/48,887.64
  6. Step 6: Final answer
    x = 20,735.87

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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.