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Finding the Fourth Proportional to 58,671, 88,021.08 and 17,118

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Solution

The fourth proportional to 58,671, 88,021.08 and 17,118 is: 25,681.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,671 : 88,021.08 = 17,118 : x
  2. Step 2: Convert to fraction form
    58,671/88,021.08 = 17,118/x
  3. Step 3: Cross multiply
    58,671x = 88,021.08 × 17,118
  4. Step 4: Simplify right side
    58,671x = 1,506,744,847.44
  5. Step 5: Solve for x
    x = 1,506,744,847.44/58,671
  6. Step 6: Final answer
    x = 25,681.25

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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.