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Finding the Fourth Proportional to 36,368.40, 54,545.40 and 17,648.40

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Solution

The fourth proportional to 36,368.40, 54,545.40 and 17,648.40 is: 26,469.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,368.40 : 54,545.40 = 17,648.40 : x
  2. Step 2: Convert to fraction form
    36,368.40/54,545.40 = 17,648.40/x
  3. Step 3: Cross multiply
    36,368.40x = 54,545.40 × 17,648.40
  4. Step 4: Simplify right side
    36,368.40x = 962,639,037.36
  5. Step 5: Solve for x
    x = 962,639,037.36/36,368.40
  6. Step 6: Final answer
    x = 26,469.11

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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.