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Finding the Fourth Proportional to 60,519.90, 90,827.10 and 41,930.40

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Solution

The fourth proportional to 60,519.90, 90,827.10 and 41,930.40 is: 62,928.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,519.90 : 90,827.10 = 41,930.40 : x
  2. Step 2: Convert to fraction form
    60,519.90/90,827.10 = 41,930.40/x
  3. Step 3: Cross multiply
    60,519.90x = 90,827.10 × 41,930.40
  4. Step 4: Simplify right side
    60,519.90x = 3,808,416,633.84
  5. Step 5: Solve for x
    x = 3,808,416,633.84/60,519.90
  6. Step 6: Final answer
    x = 62,928.34

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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.