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Finding the Fourth Proportional to 15,359.86, 23,007.39 and 7,046.83

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Solution

The fourth proportional to 15,359.86, 23,007.39 and 7,046.83 is: 10,555.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,359.86 : 23,007.39 = 7,046.83 : x
  2. Step 2: Convert to fraction form
    15,359.86/23,007.39 = 7,046.83/x
  3. Step 3: Cross multiply
    15,359.86x = 23,007.39 × 7,046.83
  4. Step 4: Simplify right side
    15,359.86x = 162,129,166.07
  5. Step 5: Solve for x
    x = 162,129,166.07/15,359.86
  6. Step 6: Final answer
    x = 10,555.38

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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.