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Finding the Fourth Proportional to 17,375.79, 26,053.80 and 6,840.10

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Solution

The fourth proportional to 17,375.79, 26,053.80 and 6,840.10 is: 10,256.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,375.79 : 26,053.80 = 6,840.10 : x
  2. Step 2: Convert to fraction form
    17,375.79/26,053.80 = 6,840.10/x
  3. Step 3: Cross multiply
    17,375.79x = 26,053.80 × 6,840.10
  4. Step 4: Simplify right side
    17,375.79x = 178,210,597.38
  5. Step 5: Solve for x
    x = 178,210,597.38/17,375.79
  6. Step 6: Final answer
    x = 10,256.26

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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.