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Finding the Fourth Proportional to 58,241, 87,361.50 and 16,688

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Solution

The fourth proportional to 58,241, 87,361.50 and 16,688 is: 25,032

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,241 : 87,361.50 = 16,688 : x
  2. Step 2: Convert to fraction form
    58,241/87,361.50 = 16,688/x
  3. Step 3: Cross multiply
    58,241x = 87,361.50 × 16,688
  4. Step 4: Simplify right side
    58,241x = 1,457,888,712
  5. Step 5: Solve for x
    x = 1,457,888,712/58,241
  6. Step 6: Final answer
    x = 25,032

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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.