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Finding the Fourth Proportional to 46,406.52, 69,609.78 and 11,345.76

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Solution

The fourth proportional to 46,406.52, 69,609.78 and 11,345.76 is: 17,018.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,406.52 : 69,609.78 = 11,345.76 : x
  2. Step 2: Convert to fraction form
    46,406.52/69,609.78 = 11,345.76/x
  3. Step 3: Cross multiply
    46,406.52x = 69,609.78 × 11,345.76
  4. Step 4: Simplify right side
    46,406.52x = 789,775,857.53
  5. Step 5: Solve for x
    x = 789,775,857.53/46,406.52
  6. Step 6: Final answer
    x = 17,018.64

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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.