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Finding the Fourth Proportional to 29,615.63, 40,855.61 and 17,507.96

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Solution

The fourth proportional to 29,615.63, 40,855.61 and 17,507.96 is: 24,152.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,615.63 : 40,855.61 = 17,507.96 : x
  2. Step 2: Convert to fraction form
    29,615.63/40,855.61 = 17,507.96/x
  3. Step 3: Cross multiply
    29,615.63x = 40,855.61 × 17,507.96
  4. Step 4: Simplify right side
    29,615.63x = 715,298,093.84
  5. Step 5: Solve for x
    x = 715,298,093.84/29,615.63
  6. Step 6: Final answer
    x = 24,152.72

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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.