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Finding the Fourth Proportional to 19,160.47, 26,442.21 and 11,602.51

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Solution

The fourth proportional to 19,160.47, 26,442.21 and 11,602.51 is: 16,011.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,160.47 : 26,442.21 = 11,602.51 : x
  2. Step 2: Convert to fraction form
    19,160.47/26,442.21 = 11,602.51/x
  3. Step 3: Cross multiply
    19,160.47x = 26,442.21 × 11,602.51
  4. Step 4: Simplify right side
    19,160.47x = 306,796,005.95
  5. Step 5: Solve for x
    x = 306,796,005.95/19,160.47
  6. Step 6: Final answer
    x = 16,011.92

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