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Finding the Fourth Proportional to 15,035.40, 22,541.09 and 7,133.94

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Solution

The fourth proportional to 15,035.40, 22,541.09 and 7,133.94 is: 10,695.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,035.40 : 22,541.09 = 7,133.94 : x
  2. Step 2: Convert to fraction form
    15,035.40/22,541.09 = 7,133.94/x
  3. Step 3: Cross multiply
    15,035.40x = 22,541.09 × 7,133.94
  4. Step 4: Simplify right side
    15,035.40x = 160,806,747.92
  5. Step 5: Solve for x
    x = 160,806,747.92/15,035.40
  6. Step 6: Final answer
    x = 10,695.21

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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.