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Finding the Fourth Proportional to 35,491.64, 53,244.81 and 14,431.68

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Solution

The fourth proportional to 35,491.64, 53,244.81 and 14,431.68 is: 21,650.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,491.64 : 53,244.81 = 14,431.68 : x
  2. Step 2: Convert to fraction form
    35,491.64/53,244.81 = 14,431.68/x
  3. Step 3: Cross multiply
    35,491.64x = 53,244.81 × 14,431.68
  4. Step 4: Simplify right side
    35,491.64x = 768,412,156.61
  5. Step 5: Solve for x
    x = 768,412,156.61/35,491.64
  6. Step 6: Final answer
    x = 21,650.51

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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.