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Finding the Fourth Proportional to 39,295.34, 58,943.04 and 13,000.09

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Solution

The fourth proportional to 39,295.34, 58,943.04 and 13,000.09 is: 19,500.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,295.34 : 58,943.04 = 13,000.09 : x
  2. Step 2: Convert to fraction form
    39,295.34/58,943.04 = 13,000.09/x
  3. Step 3: Cross multiply
    39,295.34x = 58,943.04 × 13,000.09
  4. Step 4: Simplify right side
    39,295.34x = 766,264,824.87
  5. Step 5: Solve for x
    x = 766,264,824.87/39,295.34
  6. Step 6: Final answer
    x = 19,500.14

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Similar ratio
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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.