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Finding the Fourth Proportional to 66,492.38, 99,830.84 and 41,630.30

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Solution

The fourth proportional to 66,492.38, 99,830.84 and 41,630.30 is: 62,503.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,492.38 : 99,830.84 = 41,630.30 : x
  2. Step 2: Convert to fraction form
    66,492.38/99,830.84 = 41,630.30/x
  3. Step 3: Cross multiply
    66,492.38x = 99,830.84 × 41,630.30
  4. Step 4: Simplify right side
    66,492.38x = 4,155,987,423.37
  5. Step 5: Solve for x
    x = 4,155,987,423.37/66,492.38
  6. Step 6: Final answer
    x = 62,503.21

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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.