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Finding the Fourth Proportional to 58,059.36, 87,068.14 and 20,098.31

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Solution

The fourth proportional to 58,059.36, 87,068.14 and 20,098.31 is: 30,140.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,059.36 : 87,068.14 = 20,098.31 : x
  2. Step 2: Convert to fraction form
    58,059.36/87,068.14 = 20,098.31/x
  3. Step 3: Cross multiply
    58,059.36x = 87,068.14 × 20,098.31
  4. Step 4: Simplify right side
    58,059.36x = 1,749,922,896.86
  5. Step 5: Solve for x
    x = 1,749,922,896.86/58,059.36
  6. Step 6: Final answer
    x = 30,140.24

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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.