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Finding the Fourth Proportional to 15,356.70, 23,007.22 and 7,043.68

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Solution

The fourth proportional to 15,356.70, 23,007.22 and 7,043.68 is: 10,552.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,356.70 : 23,007.22 = 7,043.68 : x
  2. Step 2: Convert to fraction form
    15,356.70/23,007.22 = 7,043.68/x
  3. Step 3: Cross multiply
    15,356.70x = 23,007.22 × 7,043.68
  4. Step 4: Simplify right side
    15,356.70x = 162,055,495.37
  5. Step 5: Solve for x
    x = 162,055,495.37/15,356.70
  6. Step 6: Final answer
    x = 10,552.76

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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.