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Finding the Fourth Proportional to 83,980.72, 115,893.37 and 46,254.97

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Solution

The fourth proportional to 83,980.72, 115,893.37 and 46,254.97 is: 63,831.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,980.72 : 115,893.37 = 46,254.97 : x
  2. Step 2: Convert to fraction form
    83,980.72/115,893.37 = 46,254.97/x
  3. Step 3: Cross multiply
    83,980.72x = 115,893.37 × 46,254.97
  4. Step 4: Simplify right side
    83,980.72x = 5,360,643,643.15
  5. Step 5: Solve for x
    x = 5,360,643,643.15/83,980.72
  6. Step 6: Final answer
    x = 63,831.84

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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.