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Finding the Fourth Proportional to 66,951.18, 100,426.37 and 17,030.88

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Solution

The fourth proportional to 66,951.18, 100,426.37 and 17,030.88 is: 25,546.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,951.18 : 100,426.37 = 17,030.88 : x
  2. Step 2: Convert to fraction form
    66,951.18/100,426.37 = 17,030.88/x
  3. Step 3: Cross multiply
    66,951.18x = 100,426.37 × 17,030.88
  4. Step 4: Simplify right side
    66,951.18x = 1,710,349,371.15
  5. Step 5: Solve for x
    x = 1,710,349,371.15/66,951.18
  6. Step 6: Final answer
    x = 25,546.22

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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.