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Finding the Fourth Proportional to 31,155.56, 46,733.34 and 9,267.56

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Solution

The fourth proportional to 31,155.56, 46,733.34 and 9,267.56 is: 13,901.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,155.56 : 46,733.34 = 9,267.56 : x
  2. Step 2: Convert to fraction form
    31,155.56/46,733.34 = 9,267.56/x
  3. Step 3: Cross multiply
    31,155.56x = 46,733.34 × 9,267.56
  4. Step 4: Simplify right side
    31,155.56x = 433,104,032.45
  5. Step 5: Solve for x
    x = 433,104,032.45/31,155.56
  6. Step 6: Final answer
    x = 13,901.34

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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.