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Finding the Fourth Proportional to 84,010.50, 115,934.49 and 46,287.18

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Solution

The fourth proportional to 84,010.50, 115,934.49 and 46,287.18 is: 63,876.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,010.50 : 115,934.49 = 46,287.18 : x
  2. Step 2: Convert to fraction form
    84,010.50/115,934.49 = 46,287.18/x
  3. Step 3: Cross multiply
    84,010.50x = 115,934.49 × 46,287.18
  4. Step 4: Simplify right side
    84,010.50x = 5,366,280,606.84
  5. Step 5: Solve for x
    x = 5,366,280,606.84/84,010.50
  6. Step 6: Final answer
    x = 63,876.31

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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.