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Finding the Fourth Proportional to 35,507.60, 53,244.99 and 13,305.09

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Solution

The fourth proportional to 35,507.60, 53,244.99 and 13,305.09 is: 19,951.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,507.60 : 53,244.99 = 13,305.09 : x
  2. Step 2: Convert to fraction form
    35,507.60/53,244.99 = 13,305.09/x
  3. Step 3: Cross multiply
    35,507.60x = 53,244.99 × 13,305.09
  4. Step 4: Simplify right side
    35,507.60x = 708,429,384.00
  5. Step 5: Solve for x
    x = 708,429,384.00/35,507.60
  6. Step 6: Final answer
    x = 19,951.49

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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.