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Finding the Fourth Proportional to 14,353.68, 19,809.96 and 8,066.07

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Solution

The fourth proportional to 14,353.68, 19,809.96 and 8,066.07 is: 11,132.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,353.68 : 19,809.96 = 8,066.07 : x
  2. Step 2: Convert to fraction form
    14,353.68/19,809.96 = 8,066.07/x
  3. Step 3: Cross multiply
    14,353.68x = 19,809.96 × 8,066.07
  4. Step 4: Simplify right side
    14,353.68x = 159,788,524.06
  5. Step 5: Solve for x
    x = 159,788,524.06/14,353.68
  6. Step 6: Final answer
    x = 11,132.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.