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Finding the Fourth Proportional to 14,574.56, 21,881.84 and 7,560.32

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Solution

The fourth proportional to 14,574.56, 21,881.84 and 7,560.32 is: 11,350.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,574.56 : 21,881.84 = 7,560.32 : x
  2. Step 2: Convert to fraction form
    14,574.56/21,881.84 = 7,560.32/x
  3. Step 3: Cross multiply
    14,574.56x = 21,881.84 × 7,560.32
  4. Step 4: Simplify right side
    14,574.56x = 165,433,712.59
  5. Step 5: Solve for x
    x = 165,433,712.59/14,574.56
  6. Step 6: Final answer
    x = 11,350.85

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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.