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Finding the Fourth Proportional to 15,090.68, 22,628.69 and 4,558.68

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Solution

The fourth proportional to 15,090.68, 22,628.69 and 4,558.68 is: 6,835.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,090.68 : 22,628.69 = 4,558.68 : x
  2. Step 2: Convert to fraction form
    15,090.68/22,628.69 = 4,558.68/x
  3. Step 3: Cross multiply
    15,090.68x = 22,628.69 × 4,558.68
  4. Step 4: Simplify right side
    15,090.68x = 103,156,963.65
  5. Step 5: Solve for x
    x = 103,156,963.65/15,090.68
  6. Step 6: Final answer
    x = 6,835.81

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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.