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Finding the Fourth Proportional to 17,602.39, 26,387.18 and 8,827.05

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Solution

The fourth proportional to 17,602.39, 26,387.18 and 8,827.05 is: 13,232.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,602.39 : 26,387.18 = 8,827.05 : x
  2. Step 2: Convert to fraction form
    17,602.39/26,387.18 = 8,827.05/x
  3. Step 3: Cross multiply
    17,602.39x = 26,387.18 × 8,827.05
  4. Step 4: Simplify right side
    17,602.39x = 232,920,957.22
  5. Step 5: Solve for x
    x = 232,920,957.22/17,602.39
  6. Step 6: Final answer
    x = 13,232.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.