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Finding the Fourth Proportional to 17,808.98, 26,713.36 and 7,276.76

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Solution

The fourth proportional to 17,808.98, 26,713.36 and 7,276.76 is: 10,915.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,808.98 : 26,713.36 = 7,276.76 : x
  2. Step 2: Convert to fraction form
    17,808.98/26,713.36 = 7,276.76/x
  3. Step 3: Cross multiply
    17,808.98x = 26,713.36 × 7,276.76
  4. Step 4: Simplify right side
    17,808.98x = 194,386,709.51
  5. Step 5: Solve for x
    x = 194,386,709.51/17,808.98
  6. Step 6: Final answer
    x = 10,915.10

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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.