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Finding the Fourth Proportional to 17,515.78, 26,284.05 and 16,407.52

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Solution

The fourth proportional to 17,515.78, 26,284.05 and 16,407.52 is: 24,621.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,515.78 : 26,284.05 = 16,407.52 : x
  2. Step 2: Convert to fraction form
    17,515.78/26,284.05 = 16,407.52/x
  3. Step 3: Cross multiply
    17,515.78x = 26,284.05 × 16,407.52
  4. Step 4: Simplify right side
    17,515.78x = 431,256,158.19
  5. Step 5: Solve for x
    x = 431,256,158.19/17,515.78
  6. Step 6: Final answer
    x = 24,621.01

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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.