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Finding the Fourth Proportional to 19,610.67, 27,044.10 and 12,901.98

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Solution

The fourth proportional to 19,610.67, 27,044.10 and 12,901.98 is: 17,792.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,610.67 : 27,044.10 = 12,901.98 : x
  2. Step 2: Convert to fraction form
    19,610.67/27,044.10 = 12,901.98/x
  3. Step 3: Cross multiply
    19,610.67x = 27,044.10 × 12,901.98
  4. Step 4: Simplify right side
    19,610.67x = 348,922,437.32
  5. Step 5: Solve for x
    x = 348,922,437.32/19,610.67
  6. Step 6: Final answer
    x = 17,792.48

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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.