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Finding the Fourth Proportional to 35,338.81, 53,008.17 and 9,043.56

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Solution

The fourth proportional to 35,338.81, 53,008.17 and 9,043.56 is: 13,565.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,338.81 : 53,008.17 = 9,043.56 : x
  2. Step 2: Convert to fraction form
    35,338.81/53,008.17 = 9,043.56/x
  3. Step 3: Cross multiply
    35,338.81x = 53,008.17 × 9,043.56
  4. Step 4: Simplify right side
    35,338.81x = 479,382,565.89
  5. Step 5: Solve for x
    x = 479,382,565.89/35,338.81
  6. Step 6: Final answer
    x = 13,565.33

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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.