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Finding the Fourth Proportional to 84,018.96, 115,946.52 and 46,293.21

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Solution

The fourth proportional to 84,018.96, 115,946.52 and 46,293.21 is: 63,884.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,018.96 : 115,946.52 = 46,293.21 : x
  2. Step 2: Convert to fraction form
    84,018.96/115,946.52 = 46,293.21/x
  3. Step 3: Cross multiply
    84,018.96x = 115,946.52 × 46,293.21
  4. Step 4: Simplify right side
    84,018.96x = 5,367,536,599.13
  5. Step 5: Solve for x
    x = 5,367,536,599.13/84,018.96
  6. Step 6: Final answer
    x = 63,884.83

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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.