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Finding the Fourth Proportional to 58,645.56, 87,980.82 and 17,089.08

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Solution

The fourth proportional to 58,645.56, 87,980.82 and 17,089.08 is: 25,637.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,645.56 : 87,980.82 = 17,089.08 : x
  2. Step 2: Convert to fraction form
    58,645.56/87,980.82 = 17,089.08/x
  3. Step 3: Cross multiply
    58,645.56x = 87,980.82 × 17,089.08
  4. Step 4: Simplify right side
    58,645.56x = 1,503,511,271.45
  5. Step 5: Solve for x
    x = 1,503,511,271.45/58,645.56
  6. Step 6: Final answer
    x = 25,637.26

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1.5x scale

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.