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Finding the Fourth Proportional to 84,013.08, 115,938.03 and 46,287.30

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Solution

The fourth proportional to 84,013.08, 115,938.03 and 46,287.30 is: 63,876.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,013.08 : 115,938.03 = 46,287.30 : x
  2. Step 2: Convert to fraction form
    84,013.08/115,938.03 = 46,287.30/x
  3. Step 3: Cross multiply
    84,013.08x = 115,938.03 × 46,287.30
  4. Step 4: Simplify right side
    84,013.08x = 5,366,458,376.02
  5. Step 5: Solve for x
    x = 5,366,458,376.02/84,013.08
  6. Step 6: Final answer
    x = 63,876.46

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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.