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Finding the Fourth Proportional to 17,560.71, 26,302.08 and 12,615.51

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Solution

The fourth proportional to 17,560.71, 26,302.08 and 12,615.51 is: 18,895.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,560.71 : 26,302.08 = 12,615.51 : x
  2. Step 2: Convert to fraction form
    17,560.71/26,302.08 = 12,615.51/x
  3. Step 3: Cross multiply
    17,560.71x = 26,302.08 × 12,615.51
  4. Step 4: Simplify right side
    17,560.71x = 331,814,153.26
  5. Step 5: Solve for x
    x = 331,814,153.26/17,560.71
  6. Step 6: Final answer
    x = 18,895.26

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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.