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Finding the Fourth Proportional to 59,326.96, 88,993.40 and 17,770

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Solution

The fourth proportional to 59,326.96, 88,993.40 and 17,770 is: 26,655.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,326.96 : 88,993.40 = 17,770 : x
  2. Step 2: Convert to fraction form
    59,326.96/88,993.40 = 17,770/x
  3. Step 3: Cross multiply
    59,326.96x = 88,993.40 × 17,770
  4. Step 4: Simplify right side
    59,326.96x = 1,581,412,718
  5. Step 5: Solve for x
    x = 1,581,412,718/59,326.96
  6. Step 6: Final answer
    x = 26,655.89

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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.