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Finding the Fourth Proportional to 17,808.04, 26,712.06 and 7,412.50

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Solution

The fourth proportional to 17,808.04, 26,712.06 and 7,412.50 is: 11,118.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,808.04 : 26,712.06 = 7,412.50 : x
  2. Step 2: Convert to fraction form
    17,808.04/26,712.06 = 7,412.50/x
  3. Step 3: Cross multiply
    17,808.04x = 26,712.06 × 7,412.50
  4. Step 4: Simplify right side
    17,808.04x = 198,003,144.75
  5. Step 5: Solve for x
    x = 198,003,144.75/17,808.04
  6. Step 6: Final answer
    x = 11,118.75

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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.