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Finding the Fourth Proportional to 25,505.69, 35,197.01 and 14,020.64

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Solution

The fourth proportional to 25,505.69, 35,197.01 and 14,020.64 is: 19,348.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,505.69 : 35,197.01 = 14,020.64 : x
  2. Step 2: Convert to fraction form
    25,505.69/35,197.01 = 14,020.64/x
  3. Step 3: Cross multiply
    25,505.69x = 35,197.01 × 14,020.64
  4. Step 4: Simplify right side
    25,505.69x = 493,484,606.29
  5. Step 5: Solve for x
    x = 493,484,606.29/25,505.69
  6. Step 6: Final answer
    x = 19,348.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.