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Finding the Fourth Proportional to 66,037.92, 99,082.80 and 29,076

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Solution

The fourth proportional to 66,037.92, 99,082.80 and 29,076 is: 43,625.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,037.92 : 99,082.80 = 29,076 : x
  2. Step 2: Convert to fraction form
    66,037.92/99,082.80 = 29,076/x
  3. Step 3: Cross multiply
    66,037.92x = 99,082.80 × 29,076
  4. Step 4: Simplify right side
    66,037.92x = 2,880,931,492.80
  5. Step 5: Solve for x
    x = 2,880,931,492.80/66,037.92
  6. Step 6: Final answer
    x = 43,625.41

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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.