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Finding the Fourth Proportional to 53,378.94, 79,951.77 and 27,038.46

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Solution

The fourth proportional to 53,378.94, 79,951.77 and 27,038.46 is: 40,498.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,378.94 : 79,951.77 = 27,038.46 : x
  2. Step 2: Convert to fraction form
    53,378.94/79,951.77 = 27,038.46/x
  3. Step 3: Cross multiply
    53,378.94x = 79,951.77 × 27,038.46
  4. Step 4: Simplify right side
    53,378.94x = 2,161,772,735.07
  5. Step 5: Solve for x
    x = 2,161,772,735.07/53,378.94
  6. Step 6: Final answer
    x = 40,498.61

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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.