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Finding the Fourth Proportional to 67,366.84, 101,050.50 and 20,619.52

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Solution

The fourth proportional to 67,366.84, 101,050.50 and 20,619.52 is: 30,929.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,366.84 : 101,050.50 = 20,619.52 : x
  2. Step 2: Convert to fraction form
    67,366.84/101,050.50 = 20,619.52/x
  3. Step 3: Cross multiply
    67,366.84x = 101,050.50 × 20,619.52
  4. Step 4: Simplify right side
    67,366.84x = 2,083,612,805.76
  5. Step 5: Solve for x
    x = 2,083,612,805.76/67,366.84
  6. Step 6: Final answer
    x = 30,929.35

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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.