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Finding the Fourth Proportional to 19,597.40, 27,058.50 and 12,053.88

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Solution

The fourth proportional to 19,597.40, 27,058.50 and 12,053.88 is: 16,643.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,597.40 : 27,058.50 = 12,053.88 : x
  2. Step 2: Convert to fraction form
    19,597.40/27,058.50 = 12,053.88/x
  3. Step 3: Cross multiply
    19,597.40x = 27,058.50 × 12,053.88
  4. Step 4: Simplify right side
    19,597.40x = 326,159,911.98
  5. Step 5: Solve for x
    x = 326,159,911.98/19,597.40
  6. Step 6: Final answer
    x = 16,643.02

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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.