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Finding the Fourth Proportional to 84,379.68, 116,448.28 and 48,574.84

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Solution

The fourth proportional to 84,379.68, 116,448.28 and 48,574.84 is: 67,035.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,379.68 : 116,448.28 = 48,574.84 : x
  2. Step 2: Convert to fraction form
    84,379.68/116,448.28 = 48,574.84/x
  3. Step 3: Cross multiply
    84,379.68x = 116,448.28 × 48,574.84
  4. Step 4: Simplify right side
    84,379.68x = 5,656,456,569.28
  5. Step 5: Solve for x
    x = 5,656,456,569.28/84,379.68
  6. Step 6: Final answer
    x = 67,035.77

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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.