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Finding the Fourth Proportional to 83,776.62, 115,612.12 and 46,053.30

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Solution

The fourth proportional to 83,776.62, 115,612.12 and 46,053.30 is: 63,553.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,776.62 : 115,612.12 = 46,053.30 : x
  2. Step 2: Convert to fraction form
    83,776.62/115,612.12 = 46,053.30/x
  3. Step 3: Cross multiply
    83,776.62x = 115,612.12 × 46,053.30
  4. Step 4: Simplify right side
    83,776.62x = 5,324,319,646.00
  5. Step 5: Solve for x
    x = 5,324,319,646.00/83,776.62
  6. Step 6: Final answer
    x = 63,553.77

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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.