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Finding the Fourth Proportional to 17,376.80, 26,060.40 and 6,281.40

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Solution

The fourth proportional to 17,376.80, 26,060.40 and 6,281.40 is: 9,420.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,376.80 : 26,060.40 = 6,281.40 : x
  2. Step 2: Convert to fraction form
    17,376.80/26,060.40 = 6,281.40/x
  3. Step 3: Cross multiply
    17,376.80x = 26,060.40 × 6,281.40
  4. Step 4: Simplify right side
    17,376.80x = 163,695,796.56
  5. Step 5: Solve for x
    x = 163,695,796.56/17,376.80
  6. Step 6: Final answer
    x = 9,420.36

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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.