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Finding the Fourth Proportional to 36,598.76, 54,903.61 and 11,639.63

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Solution

The fourth proportional to 36,598.76, 54,903.61 and 11,639.63 is: 17,461.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,598.76 : 54,903.61 = 11,639.63 : x
  2. Step 2: Convert to fraction form
    36,598.76/54,903.61 = 11,639.63/x
  3. Step 3: Cross multiply
    36,598.76x = 54,903.61 × 11,639.63
  4. Step 4: Simplify right side
    36,598.76x = 639,057,402.45
  5. Step 5: Solve for x
    x = 639,057,402.45/36,598.76
  6. Step 6: Final answer
    x = 17,461.18

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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.