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Finding the Fourth Proportional to 25,653.59, 35,369.04 and 21,037.34

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Solution

The fourth proportional to 25,653.59, 35,369.04 and 21,037.34 is: 29,004.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,653.59 : 35,369.04 = 21,037.34 : x
  2. Step 2: Convert to fraction form
    25,653.59/35,369.04 = 21,037.34/x
  3. Step 3: Cross multiply
    25,653.59x = 35,369.04 × 21,037.34
  4. Step 4: Simplify right side
    25,653.59x = 744,070,519.95
  5. Step 5: Solve for x
    x = 744,070,519.95/25,653.59
  6. Step 6: Final answer
    x = 29,004.54

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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.