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Finding the Fourth Proportional to 14,933.82, 20,600.10 and 9,335.10

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Solution

The fourth proportional to 14,933.82, 20,600.10 and 9,335.10 is: 12,877.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,933.82 : 20,600.10 = 9,335.10 : x
  2. Step 2: Convert to fraction form
    14,933.82/20,600.10 = 9,335.10/x
  3. Step 3: Cross multiply
    14,933.82x = 20,600.10 × 9,335.10
  4. Step 4: Simplify right side
    14,933.82x = 192,303,993.51
  5. Step 5: Solve for x
    x = 192,303,993.51/14,933.82
  6. Step 6: Final answer
    x = 12,877.08

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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.