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Finding the Fourth Proportional to 65,103.77, 97,555.14 and 43,960.95

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Solution

The fourth proportional to 65,103.77, 97,555.14 and 43,960.95 is: 65,873.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,103.77 : 97,555.14 = 43,960.95 : x
  2. Step 2: Convert to fraction form
    65,103.77/97,555.14 = 43,960.95/x
  3. Step 3: Cross multiply
    65,103.77x = 97,555.14 × 43,960.95
  4. Step 4: Simplify right side
    65,103.77x = 4,288,616,631.78
  5. Step 5: Solve for x
    x = 4,288,616,631.78/65,103.77
  6. Step 6: Final answer
    x = 65,873.55

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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.