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Finding the Fourth Proportional to 15,808.77, 23,716.58 and 8,412.14

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Solution

The fourth proportional to 15,808.77, 23,716.58 and 8,412.14 is: 12,620.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,808.77 : 23,716.58 = 8,412.14 : x
  2. Step 2: Convert to fraction form
    15,808.77/23,716.58 = 8,412.14/x
  3. Step 3: Cross multiply
    15,808.77x = 23,716.58 × 8,412.14
  4. Step 4: Simplify right side
    15,808.77x = 199,507,208.51
  5. Step 5: Solve for x
    x = 199,507,208.51/15,808.77
  6. Step 6: Final answer
    x = 12,620.03

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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.