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Finding the Fourth Proportional to 12,794.59, 19,193.73 and 4,030.21

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Solution

The fourth proportional to 12,794.59, 19,193.73 and 4,030.21 is: 6,045.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,794.59 : 19,193.73 = 4,030.21 : x
  2. Step 2: Convert to fraction form
    12,794.59/19,193.73 = 4,030.21/x
  3. Step 3: Cross multiply
    12,794.59x = 19,193.73 × 4,030.21
  4. Step 4: Simplify right side
    12,794.59x = 77,354,762.58
  5. Step 5: Solve for x
    x = 77,354,762.58/12,794.59
  6. Step 6: Final answer
    x = 6,045.90

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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.