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Finding the Fourth Proportional to 35,908.46, 53,861.90 and 9,613.20

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Solution

The fourth proportional to 35,908.46, 53,861.90 and 9,613.20 is: 14,419.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,908.46 : 53,861.90 = 9,613.20 : x
  2. Step 2: Convert to fraction form
    35,908.46/53,861.90 = 9,613.20/x
  3. Step 3: Cross multiply
    35,908.46x = 53,861.90 × 9,613.20
  4. Step 4: Simplify right side
    35,908.46x = 517,785,217.08
  5. Step 5: Solve for x
    x = 517,785,217.08/35,908.46
  6. Step 6: Final answer
    x = 14,419.59

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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.