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Finding the Fourth Proportional to 17,487.63, 26,045.95 and 17,402.88

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Solution

The fourth proportional to 17,487.63, 26,045.95 and 17,402.88 is: 25,919.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,487.63 : 26,045.95 = 17,402.88 : x
  2. Step 2: Convert to fraction form
    17,487.63/26,045.95 = 17,402.88/x
  3. Step 3: Cross multiply
    17,487.63x = 26,045.95 × 17,402.88
  4. Step 4: Simplify right side
    17,487.63x = 453,274,542.34
  5. Step 5: Solve for x
    x = 453,274,542.34/17,487.63
  6. Step 6: Final answer
    x = 25,919.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.