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Finding the Fourth Proportional to 35,767.66, 53,661.05 and 12,394.09

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Solution

The fourth proportional to 35,767.66, 53,661.05 and 12,394.09 is: 18,594.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,767.66 : 53,661.05 = 12,394.09 : x
  2. Step 2: Convert to fraction form
    35,767.66/53,661.05 = 12,394.09/x
  3. Step 3: Cross multiply
    35,767.66x = 53,661.05 × 12,394.09
  4. Step 4: Simplify right side
    35,767.66x = 665,079,883.19
  5. Step 5: Solve for x
    x = 665,079,883.19/35,767.66
  6. Step 6: Final answer
    x = 18,594.45

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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.