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Finding the Fourth Proportional to 52,750.94, 79,126.41 and 17,690.50

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Solution

The fourth proportional to 52,750.94, 79,126.41 and 17,690.50 is: 26,535.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,750.94 : 79,126.41 = 17,690.50 : x
  2. Step 2: Convert to fraction form
    52,750.94/79,126.41 = 17,690.50/x
  3. Step 3: Cross multiply
    52,750.94x = 79,126.41 × 17,690.50
  4. Step 4: Simplify right side
    52,750.94x = 1,399,785,360.47
  5. Step 5: Solve for x
    x = 1,399,785,360.47/52,750.94
  6. Step 6: Final answer
    x = 26,535.74

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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.