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Finding the Fourth Proportional to 58,098.99, 87,139.37 and 15,982.23

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Solution

The fourth proportional to 58,098.99, 87,139.37 and 15,982.23 is: 23,970.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,098.99 : 87,139.37 = 15,982.23 : x
  2. Step 2: Convert to fraction form
    58,098.99/87,139.37 = 15,982.23/x
  3. Step 3: Cross multiply
    58,098.99x = 87,139.37 × 15,982.23
  4. Step 4: Simplify right side
    58,098.99x = 1,392,681,453.40
  5. Step 5: Solve for x
    x = 1,392,681,453.40/58,098.99
  6. Step 6: Final answer
    x = 23,970.84

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Double scale
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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.