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Finding the Fourth Proportional to 58,511.70, 87,776.66 and 19,059.63

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Solution

The fourth proportional to 58,511.70, 87,776.66 and 19,059.63 is: 28,592.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,511.70 : 87,776.66 = 19,059.63 : x
  2. Step 2: Convert to fraction form
    58,511.70/87,776.66 = 19,059.63/x
  3. Step 3: Cross multiply
    58,511.70x = 87,776.66 × 19,059.63
  4. Step 4: Simplify right side
    58,511.70x = 1,672,990,566.94
  5. Step 5: Solve for x
    x = 1,672,990,566.94/58,511.70
  6. Step 6: Final answer
    x = 28,592.41

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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.