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Finding the Fourth Proportional to 15,340.94, 23,013.94 and 5,477.58

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Solution

The fourth proportional to 15,340.94, 23,013.94 and 5,477.58 is: 8,217.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,340.94 : 23,013.94 = 5,477.58 : x
  2. Step 2: Convert to fraction form
    15,340.94/23,013.94 = 5,477.58/x
  3. Step 3: Cross multiply
    15,340.94x = 23,013.94 × 5,477.58
  4. Step 4: Simplify right side
    15,340.94x = 126,060,697.47
  5. Step 5: Solve for x
    x = 126,060,697.47/15,340.94
  6. Step 6: Final answer
    x = 8,217.27

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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.