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Finding the Fourth Proportional to 55,959.40, 83,939.10 and 26,367.40

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Solution

The fourth proportional to 55,959.40, 83,939.10 and 26,367.40 is: 39,551.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,959.40 : 83,939.10 = 26,367.40 : x
  2. Step 2: Convert to fraction form
    55,959.40/83,939.10 = 26,367.40/x
  3. Step 3: Cross multiply
    55,959.40x = 83,939.10 × 26,367.40
  4. Step 4: Simplify right side
    55,959.40x = 2,213,255,825.34
  5. Step 5: Solve for x
    x = 2,213,255,825.34/55,959.40
  6. Step 6: Final answer
    x = 39,551.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.