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Finding the Fourth Proportional to 7,494.60, 11,242.32 and 3,792.60

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Solution

The fourth proportional to 7,494.60, 11,242.32 and 3,792.60 is: 5,689.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,494.60 : 11,242.32 = 3,792.60 : x
  2. Step 2: Convert to fraction form
    7,494.60/11,242.32 = 3,792.60/x
  3. Step 3: Cross multiply
    7,494.60x = 11,242.32 × 3,792.60
  4. Step 4: Simplify right side
    7,494.60x = 42,637,622.83
  5. Step 5: Solve for x
    x = 42,637,622.83/7,494.60
  6. Step 6: Final answer
    x = 5,689.11

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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.