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Finding the Fourth Proportional to 65,037.06, 89,752.50 and 36,743.40

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Solution

The fourth proportional to 65,037.06, 89,752.50 and 36,743.40 is: 50,706.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,037.06 : 89,752.50 = 36,743.40 : x
  2. Step 2: Convert to fraction form
    65,037.06/89,752.50 = 36,743.40/x
  3. Step 3: Cross multiply
    65,037.06x = 89,752.50 × 36,743.40
  4. Step 4: Simplify right side
    65,037.06x = 3,297,812,008.50
  5. Step 5: Solve for x
    x = 3,297,812,008.50/65,037.06
  6. Step 6: Final answer
    x = 50,706.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.