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Finding the Fourth Proportional to 28,895.88, 43,332.88 and 11,356.12

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Solution

The fourth proportional to 28,895.88, 43,332.88 and 11,356.12 is: 17,029.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,895.88 : 43,332.88 = 11,356.12 : x
  2. Step 2: Convert to fraction form
    28,895.88/43,332.88 = 11,356.12/x
  3. Step 3: Cross multiply
    28,895.88x = 43,332.88 × 11,356.12
  4. Step 4: Simplify right side
    28,895.88x = 492,093,385.23
  5. Step 5: Solve for x
    x = 492,093,385.23/28,895.88
  6. Step 6: Final answer
    x = 17,029.88

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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.