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Finding the Fourth Proportional to 7,347.63, 11,018.07 and 3,648.57

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Solution

The fourth proportional to 7,347.63, 11,018.07 and 3,648.57 is: 5,471.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,347.63 : 11,018.07 = 3,648.57 : x
  2. Step 2: Convert to fraction form
    7,347.63/11,018.07 = 3,648.57/x
  3. Step 3: Cross multiply
    7,347.63x = 11,018.07 × 3,648.57
  4. Step 4: Simplify right side
    7,347.63x = 40,200,199.66
  5. Step 5: Solve for x
    x = 40,200,199.66/7,347.63
  6. Step 6: Final answer
    x = 5,471.18

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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.