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Finding the Fourth Proportional to 65,756.78, 98,477 and 37,591.46

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Solution

The fourth proportional to 65,756.78, 98,477 and 37,591.46 is: 56,296.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,756.78 : 98,477 = 37,591.46 : x
  2. Step 2: Convert to fraction form
    65,756.78/98,477 = 37,591.46/x
  3. Step 3: Cross multiply
    65,756.78x = 98,477 × 37,591.46
  4. Step 4: Simplify right side
    65,756.78x = 3,701,894,206.42
  5. Step 5: Solve for x
    x = 3,701,894,206.42/65,756.78
  6. Step 6: Final answer
    x = 56,296.77

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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.