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Finding the Fourth Proportional to 19,602.87, 27,051.87 and 11,541.21

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Solution

The fourth proportional to 19,602.87, 27,051.87 and 11,541.21 is: 15,926.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,602.87 : 27,051.87 = 11,541.21 : x
  2. Step 2: Convert to fraction form
    19,602.87/27,051.87 = 11,541.21/x
  3. Step 3: Cross multiply
    19,602.87x = 27,051.87 × 11,541.21
  4. Step 4: Simplify right side
    19,602.87x = 312,211,312.56
  5. Step 5: Solve for x
    x = 312,211,312.56/19,602.87
  6. Step 6: Final answer
    x = 15,926.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.