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Finding the Fourth Proportional to 58,452, 87,689.52 and 19,010.08

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Solution

The fourth proportional to 58,452, 87,689.52 and 19,010.08 is: 28,518.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,452 : 87,689.52 = 19,010.08 : x
  2. Step 2: Convert to fraction form
    58,452/87,689.52 = 19,010.08/x
  3. Step 3: Cross multiply
    58,452x = 87,689.52 × 19,010.08
  4. Step 4: Simplify right side
    58,452x = 1,666,984,790.36
  5. Step 5: Solve for x
    x = 1,666,984,790.36/58,452
  6. Step 6: Final answer
    x = 28,518.87

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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.