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Finding the Fourth Proportional to 46,216.40, 69,227.40 and 38,440.40

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Solution

The fourth proportional to 46,216.40, 69,227.40 and 38,440.40 is: 57,579.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,216.40 : 69,227.40 = 38,440.40 : x
  2. Step 2: Convert to fraction form
    46,216.40/69,227.40 = 38,440.40/x
  3. Step 3: Cross multiply
    46,216.40x = 69,227.40 × 38,440.40
  4. Step 4: Simplify right side
    46,216.40x = 2,661,128,946.96
  5. Step 5: Solve for x
    x = 2,661,128,946.96/46,216.40
  6. Step 6: Final answer
    x = 57,579.75

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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.