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Finding the Fourth Proportional to 83,800.51, 115,646.75 and 46,074.76

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Solution

The fourth proportional to 83,800.51, 115,646.75 and 46,074.76 is: 63,584.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,800.51 : 115,646.75 = 46,074.76 : x
  2. Step 2: Convert to fraction form
    83,800.51/115,646.75 = 46,074.76/x
  3. Step 3: Cross multiply
    83,800.51x = 115,646.75 × 46,074.76
  4. Step 4: Simplify right side
    83,800.51x = 5,328,396,251.03
  5. Step 5: Solve for x
    x = 5,328,396,251.03/83,800.51
  6. Step 6: Final answer
    x = 63,584.29

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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.