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Finding the Fourth Proportional to 83,962, 115,867.56 and 46,236.16

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Solution

The fourth proportional to 83,962, 115,867.56 and 46,236.16 is: 63,805.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,962 : 115,867.56 = 46,236.16 : x
  2. Step 2: Convert to fraction form
    83,962/115,867.56 = 46,236.16/x
  3. Step 3: Cross multiply
    83,962x = 115,867.56 × 46,236.16
  4. Step 4: Simplify right side
    83,962x = 5,357,271,042.97
  5. Step 5: Solve for x
    x = 5,357,271,042.97/83,962
  6. Step 6: Final answer
    x = 63,805.90

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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.