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Finding the Fourth Proportional to 34,435.67, 51,653.51 and 11,078.51

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Solution

The fourth proportional to 34,435.67, 51,653.51 and 11,078.51 is: 16,617.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,435.67 : 51,653.51 = 11,078.51 : x
  2. Step 2: Convert to fraction form
    34,435.67/51,653.51 = 11,078.51/x
  3. Step 3: Cross multiply
    34,435.67x = 51,653.51 × 11,078.51
  4. Step 4: Simplify right side
    34,435.67x = 572,243,613.41
  5. Step 5: Solve for x
    x = 572,243,613.41/34,435.67
  6. Step 6: Final answer
    x = 16,617.76

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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.