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Finding the Fourth Proportional to 19,597.92, 27,045.14 and 10,645.40

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Solution

The fourth proportional to 19,597.92, 27,045.14 and 10,645.40 is: 14,690.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,597.92 : 27,045.14 = 10,645.40 : x
  2. Step 2: Convert to fraction form
    19,597.92/27,045.14 = 10,645.40/x
  3. Step 3: Cross multiply
    19,597.92x = 27,045.14 × 10,645.40
  4. Step 4: Simplify right side
    19,597.92x = 287,906,333.36
  5. Step 5: Solve for x
    x = 287,906,333.36/19,597.92
  6. Step 6: Final answer
    x = 14,690.66

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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.