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Finding the Fourth Proportional to 15,057.85, 22,583.13 and 7,156.87

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Solution

The fourth proportional to 15,057.85, 22,583.13 and 7,156.87 is: 10,733.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,057.85 : 22,583.13 = 7,156.87 : x
  2. Step 2: Convert to fraction form
    15,057.85/22,583.13 = 7,156.87/x
  3. Step 3: Cross multiply
    15,057.85x = 22,583.13 × 7,156.87
  4. Step 4: Simplify right side
    15,057.85x = 161,624,525.60
  5. Step 5: Solve for x
    x = 161,624,525.60/15,057.85
  6. Step 6: Final answer
    x = 10,733.57

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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.