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Finding the Fourth Proportional to 84,752.38, 116,979.44 and 48,963.16

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Solution

The fourth proportional to 84,752.38, 116,979.44 and 48,963.16 is: 67,581.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,752.38 : 116,979.44 = 48,963.16 : x
  2. Step 2: Convert to fraction form
    84,752.38/116,979.44 = 48,963.16/x
  3. Step 3: Cross multiply
    84,752.38x = 116,979.44 × 48,963.16
  4. Step 4: Simplify right side
    84,752.38x = 5,727,683,037.43
  5. Step 5: Solve for x
    x = 5,727,683,037.43/84,752.38
  6. Step 6: Final answer
    x = 67,581.38

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1.5x scale

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.