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Finding the Fourth Proportional to 19,602.40, 27,065.42 and 12,058.88

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Solution

The fourth proportional to 19,602.40, 27,065.42 and 12,058.88 is: 16,649.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,602.40 : 27,065.42 = 12,058.88 : x
  2. Step 2: Convert to fraction form
    19,602.40/27,065.42 = 12,058.88/x
  3. Step 3: Cross multiply
    19,602.40x = 27,065.42 × 12,058.88
  4. Step 4: Simplify right side
    19,602.40x = 326,378,651.93
  5. Step 5: Solve for x
    x = 326,378,651.93/19,602.40
  6. Step 6: Final answer
    x = 16,649.93

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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.