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Finding the Fourth Proportional to 19,598.61, 27,046.10 and 10,646.11

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Solution

The fourth proportional to 19,598.61, 27,046.10 and 10,646.11 is: 14,691.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,598.61 : 27,046.10 = 10,646.11 : x
  2. Step 2: Convert to fraction form
    19,598.61/27,046.10 = 10,646.11/x
  3. Step 3: Cross multiply
    19,598.61x = 27,046.10 × 10,646.11
  4. Step 4: Simplify right side
    19,598.61x = 287,935,740.03
  5. Step 5: Solve for x
    x = 287,935,740.03/19,598.61
  6. Step 6: Final answer
    x = 14,691.64

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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.