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Finding the Fourth Proportional to 60,573.88, 90,834.90 and 21,119.32

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Solution

The fourth proportional to 60,573.88, 90,834.90 and 21,119.32 is: 31,669.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,573.88 : 90,834.90 = 21,119.32 : x
  2. Step 2: Convert to fraction form
    60,573.88/90,834.90 = 21,119.32/x
  3. Step 3: Cross multiply
    60,573.88x = 90,834.90 × 21,119.32
  4. Step 4: Simplify right side
    60,573.88x = 1,918,371,320.27
  5. Step 5: Solve for x
    x = 1,918,371,320.27/60,573.88
  6. Step 6: Final answer
    x = 31,669.94

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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.