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Finding the Fourth Proportional to 58,074.54, 87,111.82 and 16,521.54

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Solution

The fourth proportional to 58,074.54, 87,111.82 and 16,521.54 is: 24,782.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,074.54 : 87,111.82 = 16,521.54 : x
  2. Step 2: Convert to fraction form
    58,074.54/87,111.82 = 16,521.54/x
  3. Step 3: Cross multiply
    58,074.54x = 87,111.82 × 16,521.54
  4. Step 4: Simplify right side
    58,074.54x = 1,439,220,983.04
  5. Step 5: Solve for x
    x = 1,439,220,983.04/58,074.54
  6. Step 6: Final answer
    x = 24,782.31

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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.