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Finding the Fourth Proportional to 33,645.51, 50,478.12 and 9,953.66

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Solution

The fourth proportional to 33,645.51, 50,478.12 and 9,953.66 is: 14,933.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,645.51 : 50,478.12 = 9,953.66 : x
  2. Step 2: Convert to fraction form
    33,645.51/50,478.12 = 9,953.66/x
  3. Step 3: Cross multiply
    33,645.51x = 50,478.12 × 9,953.66
  4. Step 4: Simplify right side
    33,645.51x = 502,442,070.14
  5. Step 5: Solve for x
    x = 502,442,070.14/33,645.51
  6. Step 6: Final answer
    x = 14,933.40

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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.