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Finding the Fourth Proportional to 17,235.78, 25,840.95 and 6,560.63

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Solution

The fourth proportional to 17,235.78, 25,840.95 and 6,560.63 is: 9,836.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,235.78 : 25,840.95 = 6,560.63 : x
  2. Step 2: Convert to fraction form
    17,235.78/25,840.95 = 6,560.63/x
  3. Step 3: Cross multiply
    17,235.78x = 25,840.95 × 6,560.63
  4. Step 4: Simplify right side
    17,235.78x = 169,532,911.80
  5. Step 5: Solve for x
    x = 169,532,911.80/17,235.78
  6. Step 6: Final answer
    x = 9,836.10

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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.